# Proto

**Manufacturer:** Proto  
**MPN:** `J3772T`

The Proto 5/8-Inch by 11/16-Inch Satin Flare-Nut Wrench, 12 Point, features a satin finish for corrosion resistance and a slip-resistant grip. It has a 12 point flare nut box end for fine indexing, improving speed and access, and fits 4, 6, and 12 point fasteners. The wrench incorporates the Torque Plus system, a feature of the flare nut box ends.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Proto |
| Manufacturer name | Proto |
| Manufacturer | Proto, PROTO, Stanley Proto |
| DimensionUnit | inch |
| GraingerSku | 426D99 |
| Extra Product Name | Proto |
| UPC | 662679051365 |
| UnitOfMeasure | EA |
| Weight | 0.4, 0.3499999999999999 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| height | 0.9 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 9 |
| moq | 1 |
| MPN | J3772T |
| multiple | 1 |
| qtyInStock | 228 |
| qtyInStockOverride | -2 |
| SKU | G2767803 |
| tierMinQty1 | 1 |
| tierPrice1 | 29.12 |
| url | https://www.zoro.com/proto-flare-nut-wrench-58-x-1116-head-size-j3772t/i/G2767803/ |
| width | 1.5 |
| EAN | 662679051365 |
| Part Number | J3772T |
| Model | J3772T |
| Product Group | Home Improvement |
| Wrench Product Grouping | Wrenches |
| Wrench Item | Flare Nut End Wrench |
| Wrench Shape | Straight |
| Single End/Double End | Double End |
| Reversing | No |
| SAE or Metric | SAE |
| Wrench Head Sizes | 5/8 in, 11/16 in |
| Number of Points | 12 |
| Overall Length | 8 3/4 in |
| Finish | Satin |
| Ratcheting Configuration | Non-Ratcheting |
| Item | Flare Nut Wrench |
| Tether Capable | Tether Capable |
| Head Movement | Fixed |
| Insulated | No |
| Meets/Exceeds | ASME B107.100-2010, SAE AS4167C, SAE AS4984A |
| Wrench Material | Steel |
| Material | Alloy Steel, Blend |
| Standards | ASME B107.100-2010, SAE AS4167C |
| Head Size | 5/8 in, 11/16 in |
| Head Offset Angle | 0 Degrees |
| Opening Type | 12-Point Flare Nut |
| Color | Silver, Multi |
| Head Thickness | 31/64 in, 1/2 in |
| Head Type | Standard |
| Handle Type | Slip Resistant |
| Non-Magnetic | No |
| Measurement Type | SAE |
| Corrosion Resistant | Yes |
| Nonsparking | No |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G2767803 | 29.12 | 1 | 228 | 1 |
| Grainger | 426D99 |  |  | None | 1 |
| ToolUp.com | PROTO J3772T | 24.99 | 1 | None | 1 |
| Resourceful Supply | J3772T | 15.57 | 1 | None | 1 |
| Grainger | 5F363 |  |  | None | 1 |
| Amazon | B001HWARFI |  |  | None | 1 |
| Applied Industrial | 105858442 |  |  | None | 1 |
| bscsource.com | J3772T | 39.49 | 1 | None | 1 |
| Guardian | 07531569 | 40.42 | 1 | None | 1 |
| Circle C Supply | PTO02311 | 22.8 | 1 | None | 1 |
| kscdirect.com | BLA J3772T |  |  | None | 1 |
| stellarindustrial.com | PROTO 3772T |  |  | None | 1 |
| Zoro | G7579957 | 19.89 | 1 | None | 1 |
| Turner Supply | 267905136 |  |  | None | 1 |

---
Structured data: `/python/html6/product/500/206500000/206629000/part_--J3772T---Proto--d11a4be75d.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp