# Proto

**Manufacturer:** Proto  
**MPN:** `J3039B`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Proto |
| Manufacturer name | Proto |
| Manufacturer | Proto, Stanley Proto |
| DimensionUnit | inch |
| GraingerSku | 1ANM0 |
| Extra Product Name | Proto |
| UPC | 662679090401 |
| UnitOfMeasure | EA |
| Weight | 0.6, 0.5 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| height | 0.3 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 9.5 |
| moq | 1 |
| MPN | J3039B |
| multiple | 1 |
| qtyInStock | 236 |
| qtyInStockOverride | -2 |
| SKU | G1641683 |
| tierMinQty1 | 1 |
| tierPrice1 | 16.62 |
| url | https://www.zoro.com/proto-open-end-wrench-34x78-15-deg-9-3964-l-j3039b/i/G1641683/ |
| width | 1.8 |
| EAN | 662679090401 |
| Part Number | J3039B |
| Model | J3039B |
| Product Group | Home Improvement |
| Overall Length | 9 39/64 in |
| Size | 3/4" x 7/8", One Size |
| Features | Special Heat-Treated Alloy Steel Permits Slim Shanks For Strength and Durability, Standard Open End Configuration |
| Finish | Black Oxide |
| Material | Alloy Steel, Blend |
| SAE or Metric | SAE |
| Head Angle | 15 Degrees |
| Wrench Material | Steel |
| Wrench Item | Open End Wrench |
| Head Size | 3/4 in, 7/8 in |
| Ratcheting Configuration | Non-Ratcheting |
| Wrench Head Sizes | 3/4 in, 7/8 in |
| Tether Capable | Standard Tool (Accessory Needed for Tethering) |
| Reversing | No |
| Single End/Double End | Double End |
| Wrench Shape | Straight |
| Item | Open End Wrench |
| Head Movement | Fixed |
| Insulated | No |
| Standards | ASME B107.100-2010 |
| Wrench Product Grouping | Wrenches |
| Handle Color | Black |
| Overall Width | 1 17/64 in |
| Wrench Length Style | Standard |
| Ratcheting | No |
| Nonsparking | No |
| Opening Type | Rounded |
| Head Type | Standard |
| Non-Magnetic | No |
| Head Thickness | 21/64 in |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G1641683 | 16.62 | 1 | 236 | 1 |
| ToolUp.com | PROTO J3039B | 22.54 | 1 | None | 1 |
| wylaco.com | J3039B |  |  | None | 1 |
| Raptor Supplies | AA8XGV | 36.2356605 | 1 | None | 1 |
| Applied Industrial | 105851407 |  |  | None | 1 |
| bscsource.com | J3039B | 24.99 | 1 | None | 1 |
| National Supply Network | B334175 |  |  | None | 1 |
| sustainablesupply.com | C2807772 | 27.59 | 1 | None | 1 |
| Guardian | 02460004 | 30.33 | 1 | None | 1 |
| motionindustries.com | 01164531 | 29.42 | 1 | None | 1 |
| grainger.ca | PRT3039B |  |  | None | 1 |
| stellarindustrial.com | PROTO 3039B |  |  | None | 1 |
| directools.com | J3039B |  |  | None | 1 |
| Turner Supply | 267909040 |  |  | None | 1 |
| National Supply Network | 02460004 | 26.13 | 1 | None | 1 |

---
Structured data: `/python/html6/product/500/257500000/257602000/part_--J3039B---Proto--78edfe7414.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp