# Proto J5262L J5262L 3/8 DR LOCKING SCKT EXTENSION 12" PROTO | JensenTools

**Manufacturer:** Proto  
**MPN:** `J5262L`

The Proto J5262L 3/8-Inch Drive Locking Extension, 12-Inch, is a one-piece extension designed for use in applications where accidental socket disengagement may be a concern or safety hazard. Made in the USA, this locking extension provides positive socket retention and is available in quantities of one or more.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Proto |
| Manufacturer name | Proto |
| Manufacturer | Proto, PROTO, Stanley Proto |
| KnownMan | Proto J5262L J5262L 3/8 DR LOCKING SCKT EXTENSION 12" PROTO \| JensenTools |
| Extra Product Name | Proto J5262L J5262L 3/8 DR LOCKING SCKT EXTENSION 12" PROTO \| JensenTools |
| jsonUrlData | cdfda772-65e2-4371-baee-aa12007731e1 |
| keywords | Proto J5262L J5262L 3/8 DR LOCKING SCKT EXTENSION 12" PROTO 423-171 |
| moq | 1 |
| MPN | J5262L |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | 423-171 |
| tierMinQty1 | 1 |
| tierPrice1 | 64.33 |
| UPC | 662679170219 |
| EAN | 662679170219 |
| Part Number | J5262L |
| Model | J5262L |
| Product Group | Home Improvement |
| ASIN | B001HW907Y |
| AdultProduct | False |
| Amount | 51.09, 57.44 |
| Asin | B001HW907Y, B007IA0GWC |
| Autographed | False |
| Batteries_required | False |
| Binding | Tools & Home Improvement |
| Brand | Proto, Stanley-Proto |
| Bullet_point | For Use With: 3/8" Drive Sockets; Number of Pieces: 1; Standards: ASME B107.500, Made in USA, One piece extension design, Provides positive socket retention, Use where accidental socket disengagement  |
| Case | 1 |
| Cat | Tools & Home Improvement |
| CatId | 228013 |
| CatTree | 228013, 328182011, 468240, 551238 |
| ClassificationId | 328182011, 553424 |
| Color | Multi |
| Currency | USD |
| CurrencyCode | USD |
| Department | Unisex Adult, Unisex-Adult |
| Diameter | 3.0 |
| DisplayName | Power & Hand Tools, Socket Wrenches |
| EANList | 662679170219 |
| Feature | One piece extension design |
| Finish_type | Powder Coated |
| Height | 0.51, 0.99999999898, 1, 1.0, 1.02, 1461, 2.54, 266, 384, 52, 58, 8 |
| Identifier | 00662679170219, 0662679170219, 662679170219, 7436828768946 |
| IdentifierType | EAN, GTIN, UPC |
| Included_components | 3/8" Drive Locking Extension 12" |
| IsBrandQuery | True |
| ItemClassification | BASE_PRODUCT |
| ItemName | 3/8" Drive Locking Extension 12", Stanley Proto J5262L 3/8" Drive Locking Ext, 12" |
| Item_display_weight | 0.58 |
| Item_length | 12.0 |
| Item_name | 3/8" Drive Locking Extension 12", Stanley Proto J5262L 3/8" Drive Locking Ext, 12" |
| Item_package_quantity | 1 |
| Item_package_weight | 0.6 |
| Item_type_keyword | parts, socket-wrenches |
| Item_type_name | 3/8" Drive Locking Extension 12" |
| Item_weight | 0.15 |
| Keyword | J5262L |
| Label | Stanley Proto |
| Length | 1, 1.0, 12.199999987556, 12.20, 30.988, 6.25 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| jensentools.com | 423-171 | 64.33 | 1 | None | 1 |
| Grainger | 5HM02 |  |  | None | 1 |
| Zoro | G0501286 | 38.78 | 1 | 111 | 1 |
| ToolUp.com | PROTO J5262L | 28.27 | 1 | None | 1 |
| Zoro | G6488213 | 32.04 | 1 | None | 1 |
| Raptor Supplies | AE4AWK | 59.755878 | 1 | None | 1 |
| Applied Industrial | 105840322 |  |  | None | 1 |
| bscsource.com | J5262L | 49.89 | 1 | None | 1 |
| National Supply Network | B330273 |  |  | None | 1 |
| sustainablesupply.com | C1296796 | 45.18 | 1 | None | 1 |
| Guardian | 08071169 | 52.74 | 1 | None | 1 |
| motionindustries.com | 02988930 | 51.11 | 1 | None | 1 |
| directools.com | J5262L | 32.31 | 1 | None | 1 |
| Turner Supply | 267917021 |  |  | None | 1 |
| grainger.ca | PRT5262L |  |  | None | 1 |
| Circle C Supply | PTO03948 | 33.8 | 1 | None | 1 |
| National Supply Network | 08071169 | 43.25 | 1 | None | 1 |
| imsbolt.com | J5262L | 64.33 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/247000000/247329500/part_--J5262L---Proto--7459fb99ec.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp