# Proto

**Manufacturer:** Proto  
**MPN:** `J5239-45W`

The Proto J5239-45W 3/8-Inch Drive Torx Bit Socket, T45, features a two-piece design that allows for the replacement of worn bits. It has a 3/8-inch drive, T45 Torx size, and a 5/8-inch bit length. The overall length is 1-23/32 inches.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Proto |
| Manufacturer name | Proto |
| Manufacturer | Proto, Stanley Proto |
| DimensionUnit | inch |
| GraingerSku | 426H97 |
| Extra Product Name | Proto |
| UPC | 662679161859 |
| UnitOfMeasure | EA |
| Weight | 0.11, 0.022046001186074866 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| height | 0.7 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 2 |
| moq | 1 |
| MPN | J5239-45W |
| multiple | 1 |
| qtyInStock | 179 |
| qtyInStockOverride | -2 |
| SKU | G3904551 |
| tierMinQty1 | 1 |
| tierPrice1 | 9.77 |
| url | https://www.zoro.com/proto-t45-tip-socket-bit-torx-38-in-drive-j5239-45w/i/G3904551/ |
| width | 0.7 |
| EAN | 662679161859 |
| Part Number | J5239-45W |
| Model | J5239-45W |
| Product Group | Home Improvement |
| Drive Size | 3/8 in |
| Socket Type | Screwdriver Bit |
| SAE or Metric | Torx(R) |
| Number of Points | 6 |
| Measurement Type | Torx |
| Finish | Chrome |
| Material | Alloy Steel, Blend |
| Overall Length | 1 23/32 in |
| Size | T45, One Size |
| Item | Socket Bit |
| Tip Size | T45 |
| Standards | SAE AS4984A |
| Socket Depth | Short |
| Category Type | Socket Bits |
| Bit Style | Torx(R) |
| Insert Length | 7/8 in |
| Impact Rated | No |
| Non-Sparking | No |
| Insulated | No |
| Tip Style | Torx |
| Replaceable Insert | No |
| Country of Origin (subject to change) | United States |
| ASIN | B0025QADLS |
| AdultProduct | False |
| Amount | 14.63, 17.26 |
| Asin | B0025QADLS |
| Autographed | False |
| Batteries_required | False |
| Binding | Tools & Home Improvement |
| Brand | Proto, Stanley-Proto |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G3904551 | 9.77 | 1 | 179 | 1 |
| Grainger | 426H97 | 13.44 | 1 | None | 1 |
| ToolUp.com | PROTO J5239-45W | 5.4 | 1 | None | 1 |
| wylaco.com | J5239-45W |  |  | None | 1 |
| motionindustries.com | 01167073 | 11.41 | 1 | None | 1 |
| Raptor Supplies | AE3CBN |  |  | None | 1 |
| Amazon | B0025QADLS |  |  | None | 1 |
| Applied Industrial | 106019876 |  |  | None | 1 |
| bscsource.com | J523945W |  |  | None | 1 |
| National Supply Network | B941067 |  |  | None | 1 |
| Guardian | 84270883 | 15.42 | 1 | None | 1 |
| Circle C Supply | PTO03874 | 9.0 | 1 | None | 1 |
| kscdirect.com | BLA J5239-45W |  |  | None | 1 |
| aih.com | PRO523945W | 11.99 | 1 | 14 | 1 |
| directools.com | J5239-45W | 8.67 | 1 | None | 1 |
| Turner Supply | 267916185 |  |  | None | 1 |
| toolshackweb.com | PRO5239-45W | 13.4 | 1 | None | 1 |
| National Supply Network | 39937180 | 13.42 | 1 | None | 1 |
| grainger.ca | PRT5239-45W | 13.00644352 | 1 | None | 1 |
| freertool.com | FTS-KP4202990 | 9.92 | 1 | None | 1 |
| imsbolt.com | J5239-45W | 17.26 | 1 | None | 1 |
| jensentools.com | 421-402 | 17.26 | 1 | None | 1 |

---
Structured data: `/python/html6/product/500/121000000/121008000/part_--J523945W---Proto--21ba7987eb.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp