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Not verifiedNo matching reviewed identity yet.Search official catalog
ToolScout category illustration - not a product photo.Exact tool identity
CornwellHand Tools
3/8 in Drive Female x 1/4 in Drive Male Adapter
Model / MPN A20
3/8 in Drive Female x 1/4 in Drive Male Adapter, sold/listed by Cornwell as part number A20. Use the official source to confirm the exact size, application, package, and current specifications. Manufacturer, price, stock, warranty, and cross-brand equivalence are not implied.
- First detected by Release Radar
- Not yet tracked by an approved source
- Verified tool-truck price
- Not recorded
Who actually makes it?Not independently verifiedUnknown manufacturer
Closest proven alternativeNo proven alternative yetUnverified look-alikes stay separate.
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Cornwell
A203/8 in Drive Female x 1/4 in Drive Male AdapterNot Applicable / package quantity 1Current truck price: Not verifiedView tool detailsOfficial product reference
Independent brands and manufacturer products
Not identifiedNo reviewed independent manufacturer product matches this description yet.
Manufacturer relationship evidence
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Product details
Specifications
| Catalog identity status | Reviewed current identity |
|---|---|
| Sold/listed by | Cornwell |
Package, identifiers, and warranty
| Recorded manufacturer | Cornwell |
|---|---|
| Alternate numbers | None verified |
| Package | Not Applicable, quantity 1 |
| Warranty | Not verified |
| Country of origin | Not verified |
| Included accessories | None listed |
Manufacturer and alternative evidence
Unknown manufacturer
The official truck catalog confirms the sold/listed identity, but ToolScout has not attached independent manufacturer or private-label evidence.
Last verified: Not independently verifiedComparison guardrails
Kits, bare tools, conditions, quantities, generations, battery platforms, accessories, and warranties stay separate.
Stale or rejected listing records (13)
These records cannot establish the best current price.
eBayStale / Official Api
Cornwell Tool A20 3/8" Internal Drive To 1/4" External Drive Chrome Adapter USA
MPN A20 / Used / Not Applicable / quantity 1
Seller: Not supplied / Generation: Not supplied
Not a current verified offer
Why it needs review: Exact normalized manufacturer part number
Known subtotal$4.99 + shipping + taxShipping unknownTax calculated by retailer
Confirmed 97%Stock: In StockLast checked: Sep 8, 2026, 5:37 AM UTC
Price and match details
Base$4.99
ShippingUnknown
Sales taxUnknown
Known fees$0.00
Discounts$0.00
Delivered totalIncomplete
Match basis: Exact normalized manufacturer part number. Source type Official Api. Package Not Applicable, quantity 1. Includes adapters. Warranty: No Warranty.
Not definitively cheapest. Missing shippingPrice, estimatedTax.
eBayStale / Official Api
CORNWEL ADAPTER , A-20*,3/8Sq.-1/4"Sq.Male,ADAPTER
MPN A20* / New / Not Applicable / quantity 1
Seller: Not supplied / Generation: Not supplied
Not a current verified offer
Why it needs review: Exact normalized manufacturer part number
Known subtotal$8.90 + shipping + taxShipping unknownTax calculated by retailer
Confirmed 97%Stock: In StockLast checked: Sep 8, 2026, 5:37 AM UTC
Price and match details
Base$8.90
ShippingUnknown
Sales taxUnknown
Known fees$0.00
Discounts$0.00
Delivered totalIncomplete
Match basis: Exact normalized manufacturer part number. Source type Official Api. Package Not Applicable, quantity 1. Includes adapters.
Not definitively cheapest. Missing shippingPrice, estimatedTax.
eBayStale / Official Api
CORNWELL Tools USA A20 3/8” Internal 1/4” External Drive Chrome Socket Adapter
MPN A20 / Used / Not Applicable / quantity 1
Seller: Not supplied / Generation: Not supplied
Not a current verified offer
Why it needs review: Exact normalized manufacturer part number
Known subtotal$9.95 + shipping + taxShipping unknownTax calculated by retailer
Confirmed 97%Stock: In StockLast checked: Sep 8, 2026, 5:37 AM UTC
Price and match details
Base$9.95
ShippingUnknown
Sales taxUnknown
Known fees$0.00
Discounts$0.00
Delivered totalIncomplete
Match basis: Exact normalized manufacturer part number. Source type Official Api. Package Not Applicable, quantity 1. Includes adapters. Warranty: Unspecified Length.
Not definitively cheapest. Missing shippingPrice, estimatedTax.
Show all offers (13)
eBayUnverified match / Official Api
Cornwell Tools A20 3/8" Drive Female to 1/4" Drive Male Adapter Socket USA
MPN A20 / Used / Not Applicable / quantity 1
Seller: Not supplied / Generation: Not supplied
Not a current verified offer
Why it needs review: canonical_match_pending_review; package_identity_not_verified; Fuzzy title fallback
Known subtotal$9.99 + shipping + taxShipping unknownTax calculated by retailer
Likely 70%Stock: UnknownLast checked: Sep 8, 2026, 5:37 AM UTC
Price and match details
Base$9.99
ShippingUnknown
Sales taxUnknown
Known fees$0.00
Discounts$0.00
Delivered totalIncomplete
Match basis: canonical_match_pending_review; package_identity_not_verified; Fuzzy title fallback. Source type Official Api. Package Not Applicable, quantity 1. Includes adapters. Warranty: No Warranty.
Not definitively cheapest. Missing shippingPrice, estimatedTax.
eBayStale / Official Api
Cornwell Tool 3/8" Internal Drive To 1/4" External Drive Adapter A20 Ships Free
MPN A20 / Used / Not Applicable / quantity 1
Seller: Not supplied / Generation: Not supplied
Not a current verified offer
Why it needs review: Exact normalized manufacturer part number
Known subtotal$12.95 + taxFree shippingTax calculated by retailer
Confirmed 97%Stock: In StockLast checked: Sep 8, 2026, 5:37 AM UTC
Price and match details
Base$12.95
Shipping$0.00
Sales taxUnknown
Known fees$0.00
Discounts$0.00
Delivered totalIncomplete
Match basis: Exact normalized manufacturer part number. Source type Official Api. Package Not Applicable, quantity 1. Includes adapters.
Not definitively cheapest. Missing estimatedTax.
eBayStale / Official Api
Cornwell Tool A20 3/8" Internal Drive To 1/4" External Drive Chrome Adapter USA
MPN A20 / Used / Not Applicable / quantity 1
Seller: Not supplied / Generation: Not supplied
Not a current verified offer
Why it needs review: Exact normalized manufacturer part number
Known subtotal$13.99 + taxFree shippingTax calculated by retailer
Confirmed 97%Stock: In StockLast checked: Aug 12, 2026, 5:58 AM UTC
Price and match details
Base$13.99
Shipping$0.00
Sales taxUnknown
Known fees$0.00
Discounts$0.00
Delivered totalIncomplete
Match basis: Exact normalized manufacturer part number. Source type Official Api. Package Not Applicable, quantity 1. Includes adapters. Warranty: No Warranty.
Not definitively cheapest. Missing estimatedTax.
eBayStale / Official Api
Cornwell Tools 3/8" Drive Chrome Adapter #A-20
MPN A20 / New / Not Applicable / quantity 1
Seller: Not supplied / Generation: Not supplied
Not a current verified offer
Why it needs review: Exact normalized manufacturer part number
Known subtotal$15.97 + shipping + taxShipping unknownTax calculated by retailer
Confirmed 97%Stock: In StockLast checked: Sep 8, 2026, 5:37 AM UTC
Price and match details
Base$15.97
ShippingUnknown
Sales taxUnknown
Known fees$0.00
Discounts$0.00
Delivered totalIncomplete
Match basis: Exact normalized manufacturer part number. Source type Official Api. Package Not Applicable, quantity 1. Includes adapters.
Not definitively cheapest. Missing shippingPrice, estimatedTax.
eBayStale / Official Api
Cornwell 3/8" Female Drive x 1/4" Male Drive Socket Adapter A20 USA NEW OPEN BOX
MPN A20 / New / Not Applicable / quantity 1
Seller: Not supplied / Generation: Not supplied
Not a current verified offer
Why it needs review: Exact normalized manufacturer part number
Known subtotal$15.99 + taxFree shippingTax calculated by retailer
Confirmed 97%Stock: In StockLast checked: Sep 8, 2026, 5:37 AM UTC
Price and match details
Base$15.99
Shipping$0.00
Sales taxUnknown
Known fees$0.00
Discounts$0.00
Delivered totalIncomplete
Match basis: Exact normalized manufacturer part number. Source type Official Api. Package Not Applicable, quantity 1. Includes adapters.
Not definitively cheapest. Missing estimatedTax.
eBayStale / Official Api
Cornwell USA 3/8" Drive to 1/4" Drive Adaptor Socket A20 w/ 1/4" Bit Holder
MPN A20 / Used / Not Applicable / quantity 1
Seller: Not supplied / Generation: Not supplied
Not a current verified offer
Why it needs review: Exact normalized manufacturer part number
Known subtotal$18.99 + taxFree shippingTax calculated by retailer
Confirmed 97%Stock: In StockLast checked: Aug 25, 2026, 11:06 AM UTC
Price and match details
Base$18.99
Shipping$0.00
Sales taxUnknown
Known fees$0.00
Discounts$0.00
Delivered totalIncomplete
Match basis: Exact normalized manufacturer part number. Source type Official Api. Package Not Applicable, quantity 1. Warranty: No Warranty.
Not definitively cheapest. Missing estimatedTax.
eBayStale / Official Api
Cornwell Tools USA A20 3/8" drive To 1/4" drive Chrome Step Down Adapter 🇺🇸NOS
MPN a20 / New / Not Applicable / quantity 1
Seller: Not supplied / Generation: Not supplied
Not a current verified offer
Why it needs review: Exact normalized manufacturer part number
Known subtotal$19.99 + shipping + taxShipping unknownTax calculated by retailer
Confirmed 97%Stock: In StockLast checked: Sep 8, 2026, 5:37 AM UTC
Price and match details
Base$19.99
ShippingUnknown
Sales taxUnknown
Known fees$0.00
Discounts$0.00
Delivered totalIncomplete
Match basis: Exact normalized manufacturer part number. Source type Official Api. Package Not Applicable, quantity 1. Includes adapters. Warranty: Lifetime.
Not definitively cheapest. Missing shippingPrice, estimatedTax.
eBayStale / Official Api
CORNWELL A20 & S-K TOOLS 401 ADAPTERS ½” TO ⅜” AND ⅜” TO ¼” USA
MPN a20 / Used / Not Applicable / quantity 1
Seller: Not supplied / Generation: Not supplied
Not a current verified offer
Why it needs review: Exact normalized manufacturer part number
Known subtotal$20.00 + taxFree shippingTax calculated by retailer
Confirmed 97%Stock: In StockLast checked: Sep 8, 2026, 5:37 AM UTC
Price and match details
Base$20.00
Shipping$0.00
Sales taxUnknown
Known fees$0.00
Discounts$0.00
Delivered totalIncomplete
Match basis: Exact normalized manufacturer part number. Source type Official Api. Package Not Applicable, quantity 1. Includes adapters.
Not definitively cheapest. Missing estimatedTax.
eBayStale / Official Api
#ba145 NEW Cornwell Tools USA A-20 3/8" Drive 1/4" ADAPTER
MPN a20 / New / Not Applicable / quantity 1
Seller: Not supplied / Generation: Not supplied
Not a current verified offer
Why it needs review: Exact normalized manufacturer part number
Known subtotal$20.90 + taxShipping $5.95Tax calculated by retailer
Confirmed 97%Stock: In StockLast checked: Sep 8, 2026, 5:37 AM UTC
Price and match details
Base$14.95
Shipping$5.95
Sales taxUnknown
Known fees$0.00
Discounts$0.00
Delivered totalIncomplete
Match basis: Exact normalized manufacturer part number. Source type Official Api. Package Not Applicable, quantity 1. Includes adapters.
Not definitively cheapest. Missing estimatedTax.
eBayUnverified match / Official Api
Cornwell CBPDMA20 True RMS Clamp Meter
Used / Not Applicable / quantity 1
Seller: Not supplied / Generation: Not supplied
Not a current verified offer
Why it needs review: canonical_match_pending_review; package_identity_not_verified; Brand, model, category and specifications
Known subtotal$69.84 + taxShipping $9.99Tax calculated by retailer
Likely 76%Stock: In StockLast checked: Aug 28, 2026, 3:50 AM UTC
Price and match details
Base$59.85
Shipping$9.99
Sales taxUnknown
Known fees$0.00
Discounts$0.00
Delivered totalIncomplete
Match basis: canonical_match_pending_review; package_identity_not_verified; Brand, model, category and specifications. Source type Official Api. Package Not Applicable, quantity 1.
Not definitively cheapest. Missing estimatedTax.
Independent discovery signal
Creator Radar
No verified creator mentions yet.ToolScout does not invent creator claims or treat a video mention as a live retailer listing.
Independent creator resources are linked for context. ToolScout is not affiliated with or endorsed by a creator unless a real relationship is explicitly disclosed.
Release Radar history
What changed recently?
No reviewed Release Radar changes are attached to this product.
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