# Proto

**Manufacturer:** Proto  
**MPN:** `J4990-10MST`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Proto |
| Manufacturer name | Proto |
| Manufacturer | Proto, Stanley Proto |
| DimensionUnit | inch |
| GraingerSku | 4JV95 |
| Extra Product Name | Proto |
| UPC | 662679170073 |
| UnitOfMeasure | EA |
| Weight | 0.13, 0.15 |
| WeightUnit | lbs |
| atoms | 10 |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| height | 1.3 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 2 |
| moq | 1 |
| MPN | J4990-10MST |
| multiple | 1 |
| qtyInStock | 124 |
| qtyInStockOverride | -2 |
| SKU | G7522566 |
| tierMinQty1 | 1 |
| tierPrice1 | 9.99 |
| url | https://www.zoro.com/proto-10-mm-tip-socket-bit-metric-38-in-drive-j4990-10mst/i/G7522566/ |
| width | 2 |
| EAN | 662679170073 |
| Part Number | J4990-10MST |
| Model | J4990-10MST |
| Product Group | Home Improvement |
| Drive Size | 3/8 in |
| Socket Type | Short Hex Bit |
| SAE or Metric | Metric |
| Number of Points | 6 |
| Measurement Type | Metric |
| Overall Length | 1 25/32 in |
| Material | Alloy Steel, Blend |
| Item | Socket Bit |
| Size | 10mm, One Size |
| Tip Size | 10 mm |
| Finish | Chrome |
| Bit Style | Hex |
| Category Type | Socket Bits |
| Insert Length | 11/16 in |
| Features | Wear Resistance |
| Socket Depth | Short |
| Drive Type | Square |
| Impact Rated | No |
| Replaceable Insert | No |
| Tip Style | Hex |
| Insulated | No |
| Country of Origin (subject to change) | United States |
| ASIN | B0025PWN80 |
| AdultProduct | False |
| Amount | 14.66, 16.49 |
| Asin | B0025PWN80 |
| Autographed | False |
| Batteries_included | False |
| Batteries_required | False |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G7522566 | 9.99 | 1 | 124 | 1 |
| Grainger | 4JV95 | 13.31 | 1 | 78 | 1 |
| ToolUp.com | PROTO J4990-10MST | 10.89 | 1 | None | 1 |
| Raptor Supplies | AD8FDQ | 20.000565 | 1 | None | 1 |
| Applied Industrial | 106010953 |  |  | None | 1 |
| bscsource.com | J499010MST | 12.79 | 1 | None | 1 |
| National Supply Network | B941068 |  |  | None | 1 |
| sustainablesupply.com | C1296613 | 15.14 | 1 | None | 1 |
| grainger.ca | PRT4990-10MST | 19.64031036 | 1 | None | 1 |
| jensentools.com | 482-957 | 18.14 | 1 | None | 1 |
| Guardian | 33001199 | 15.0 | 1 | None | 1 |
| motionindustries.com | 02996940 | 14.67 | 1 | None | 1 |
| stellarindustrial.com | PROTO 4990-10MST |  |  | None | 1 |
| directools.com | J4990-10MST | 8.84 | 1 | None | 1 |
| Turner Supply | 267917007 |  |  | None | 1 |
| National Supply Network | 33001199 | 14.06 | 1 | None | 1 |
| factorysupplyoutlet.com | 577-4990-10MST | 12.69 | 1 | None | 1 |
| freertool.com | FTS-KP4203270 | 10.43 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/28000000/28299000/part_--J499010MST---Proto--58a4612803.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp