# Stanley Proto J4978 Folding Hex Key Set, 9-Piece. Chrome plated steel case is 3-5/8-inch long. Black oxide bits are 1...

**Manufacturer:** Proto  
**MPN:** `J4978`

The Proto J4978 is a 9-piece folding hex key set made in the USA. The set includes a chrome-plated steel case that is 3-5/8 inches long, and the black oxide bits range from 1-1/2 to 2 inches long. This set weighs 0.27 pounds and is suitable for various applications.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Proto |
| Manufacturer name | Proto |
| Manufacturer | Proto, Stanley Proto |
| UPC | 662679531485 |
| EAN | 662679531485 |
| Part Number | J4978 |
| Model | J4978 |
| Product Group | Home Improvement |
| ASIN | B001HWAX9I, B084XW8W5W |
| AdultProduct | False |
| Amount | 18.64 |
| Asin | B001HWAX9I, B084XW8W5W |
| Autographed | False |
| Batteries_required | False |
| Binding | Misc., Tools & Home Improvement |
| Brand | Proto, Stanley-Proto |
| Bullet_point | 0.27-lbs Weight, 9 Piece Folding Hex Key Set, Black oxide bits are 1-1/2-inch to 2-inch long, Chrome plated steel case is 3-5/8-inch long, Made in USA |
| Case | 9 |
| Cat | Tools & Home Improvement |
| CatId | 228013 |
| CatTree | 228013, 328182011, 468240, 551238, 553406 |
| ClassificationId | 553414 |
| Color | Black |
| Currency | USD |
| CurrencyCode | USD |
| Department | Unisex-Adult |
| DisplayName | Hex Keys |
| EANList | 662679531485 |
| Feature | Chrome plated steel case is 3-5/8-inch long |
| Finish_type | Chrome Plated,Black Oxide, Powder Coated |
| Height | 0.51, 0.99999999898, 1, 1.0, 1.00, 1000, 2.54, 251, 278, 42, 500, 75 |
| Identifier | 00662679531485, 0662679531485, 662679531485, 8331177457161 |
| IdentifierType | EAN, GTIN, UPC |
| Included_components | 1 Proto Branded Tool |
| IsBrandQuery | True |
| ItemClassification | BASE_PRODUCT |
| ItemName | SET FOLDING HEX 9 PC, Stanley J4978 Folding Hex Key Set,9-pc |
| Item_display_weight | 0.26 |
| Item_name | SET FOLDING HEX 9 PC, Stanley J4978 Folding Hex Key Set,9-pc |
| Item_package_quantity | 1 |
| Item_package_weight | 0.25 |
| Item_type_keyword | hex-keys |
| Item_type_name | Proto Tool |
| Item_weight | 0.15 |
| Keyword | J4978 |
| Label | Proto, Stanley Proto |
| Length | 3.49999999643, 3.5, 3.50, 6.25, 8.89 |
| Link | https://m.media-amazon.com/images/I/31GZVaNCt2L._SL75_.jpg, https://m.media-amazon.com/images/I/31GZVaNCt2L.jpg, https://m.media-amazon.com/images/I/31uAUNeCVRL._SL75_.jpg, https://m.media-amazon.com/ |
| List_price | 18.64 |
| MPN | J4978 |
| Man | Stanley Proto |
| Marking_type | epa_registration_number |
| Material | Alloy Steel, Polycarbonate |
| MaterialType | Alloy Steel, Polycarbonate |
| Measurement_system | Metric, inch, metric |
| Memorabilia | False |
| ModelNumber | J4978 |
| Model_name | Proto |
| Model_number | J4978 |
| Mpns | J4978 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Amazon Seller | B001HWAX9I | 4.18 | 1 | None | None |
| Grainger | 3R801 |  |  | None | 1 |
| Zoro | G9496645 | 6.89 | 1 | 396 | 1 |
| Resourceful Supply | J4978 | 3.21 | 1 | 3 | 1 |
| motionindustries.com | 01156166 | 7.25 | 1 | None | 1 |
| Raptor Supplies | AH9KDG | 12.8383515 | 1 | None | 1 |
| Zoro | G6446572 | 12.3 | 1 | None | 1 |
| Applied Industrial | 105858590 |  |  | None | 1 |
| grainger.ca | PRT4978 |  |  | None | 1 |
| National Supply Network | B942795 |  |  | None | 1 |
| sustainablesupply.com | C2919890 | 8.0 | 1 | None | 1 |
| Turner Supply | 267953148 |  |  | None | 1 |
| simsupply.com | AGO-PRO-J4978 | 4.97 | 1 | 29 | 1 |
| kscdirect.com | BLA J4978 |  |  | None | 1 |
| stellarindustrial.com | PROTO 4978 |  |  | None | 1 |
| directools.com | J4978 |  |  | 24 | 1 |
| aih.com | PRO4978 |  |  | None | 1 |
| airgas.com | S29J4978 |  |  | None | 1 |
| jensentools.com | 484-120 | 9.33 | 1 | None | 1 |
| paxtonpatterson.shop | 10-0097 | 8.7 | 1 | None | 1 |
| toolshackweb.com | PRO4978 |  |  | None | 1 |
| National Supply Network | 88051289 | 8.94 | 1 | None | 1 |
| industrialzone.com | J4978 | 5.9 | 1 | None | 34 |

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Structured data: `/python/html6/product/500/175000000/175186000/part_--J4978---Proto--a07b3d00bf.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp