# J4990-9MST

**Manufacturer:** Proto  
**MPN:** `J4990-9MST`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Proto |
| Manufacturer name | Proto |
| Manufacturer | Proto, Stanley Proto |
| jsonUrlData | 855722 |
| jsonUrlData2 | Proto-J4990-9MST-3-8-Drive-9mm-Short-Metric-Hex-Bit |
| moq | 1 |
| MPN | J4990-9MST |
| multiple | 1 |
| qtyInStock | False |
| SKU | PROTO J4990-9MST |
| tierMinQty1 | 1 |
| tierPrice1 | 10.4 |
| UPC | 662679170080 |
| EAN | 662679170080 |
| Part Number | J4990-9MST |
| Model | J4990-9MST |
| Product Group | Home Improvement |
| ASIN | B00270VS4I |
| AdultProduct | False |
| Amount | 13.97, 30.16 |
| Asin | B00270VS4I |
| Autographed | False |
| Batteries_required | False |
| Binding | Tools & Home Improvement |
| Brand | Proto, Stanley-Proto |
| Bullet_point | Features: 3/8-inch drive, Hex opening holds the bit, allowing the bit holder to take the torque load, Made in the United States, Made in USA, Made using a heat-treated alloy for wear resistance, which |
| Case | 1 |
| Cat | Tools & Home Improvement |
| CatId | 228013 |
| CatTree | 228013, 328182011, 468240, 551238, 553406 |
| ClassificationId | 553414 |
| Color | Multi |
| Compatible_fastener_description | 0.375 inches |
| Cpsia_cautionary_statement | no_warning_applicable |
| Currency | USD |
| CurrencyCode | USD |
| DisplayName | Hex Keys |
| Drive_system | Hex |
| EANList | 662679170080 |
| Feature | Made using a heat-treated alloy for wear resistance, which helps minimize distortion for a long life |
| Height | 0.375, 0.51, 0.99999999898, 1000, 500, 7.62, 75 |
| Identifier | 00662679170080, 0662679170080, 662679170080 |
| IdentifierType | EAN, GTIN, UPC |
| Included_components | 1 Proto Branded Tool |
| IsBrandQuery | True |
| ItemClassification | BASE_PRODUCT |
| ItemName | Stanley Proto J4990-9MST 3/8" Drive Short Hex Bit Socket - 9mm. |
| Item_name | Stanley Proto J4990-9MST 3/8" Drive Short Hex Bit Socket - 9mm. |
| Item_package_quantity | 1 |
| Item_package_weight | 0.0680388555 |
| Item_type_keyword | hex-keys |
| Item_type_name | Proto Tool |
| Item_weight | 0.15 |
| Keyword | 3R923 |
| Label | Stanley Proto |
| Length | 1.7812, 2.54, 2.99999999694, 6.25 |
| Link | https://m.media-amazon.com/images/I/319ICRXC-nL._SL75_.jpg, https://m.media-amazon.com/images/I/319ICRXC-nL.jpg, https://m.media-amazon.com/images/I/51yqwFbxRkL.jpg, https://www.amazon.com/gp/bestsell |
| List_price | 30.16 |
| Man | Stanley Proto |
| Marking_type | epa_registration_number |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| ToolUp.com | PROTO J4990-9MST | 10.4 | 1 | None | 1 |
| Zoro | G7143973 | 11.77 | 1 | None | 1 |
| Applied Industrial | 106029731 |  |  | None | 1 |
| bscsource.com | J49909MST | 13.99 | 1 | None | 1 |
| National Supply Network | B941069 |  |  | None | 1 |
| Guardian | 33001256 | 14.7 | 1 | None | 1 |
| motionindustries.com | 02995895 | 13.99 | 1 | None | 1 |
| stellarindustrial.com | PROTO 4990-9MST |  |  | None | 1 |
| directools.com | J4990-9MST | 8.05 | 1 | None | 1 |
| Turner Supply | 267917008 |  |  | None | 1 |
| Zoro | G503947229 | 12.81 | 1 | None | 1 |
| grainger.ca | PRT4990-9MST | 17.33950534 | 1 | None | 1 |
| National Supply Network | 33001256 | 9.75 | 1 | None | 1 |
| imsbolt.com | J4990-9MST | 16.5 | 1 | None | 1 |

---
Structured data: `/python/html6/product/500/239500000/239886500/part_--J49909MST---Proto--16b054d181.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp