# Proto

**Manufacturer:** Proto  
**MPN:** `J3540M`

The Proto J3540M is a metric thin service wrench with a 40mm size. It is a satin-finish wrench designed for metric applications.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Proto |
| Manufacturer name | Proto |
| Manufacturer | Proto, Stanley Proto |
| DimensionUnit | inch |
| GraingerSku | 19C247 |
| Extra Product Name | Proto |
| UPC | 662679980207 |
| UnitOfMeasure | EA |
| Weight | 0.49, 0.5 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| height | 0.3 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 7.8 |
| moq | 1 |
| MPN | J3540M |
| multiple | 1 |
| qtyInStock | 18 |
| qtyInStockOverride | -2 |
| SKU | G7549473 |
| tierMinQty1 | 1 |
| tierPrice1 | 28.59 |
| url | https://www.zoro.com/proto-satin-metric-service-wrench-40-mm-j3540m/i/G7549473/ |
| width | 2.6 |
| EAN | 662679980207 |
| Part Number | J3540M |
| Model | J3540M |
| Product Group | Home Improvement |
| Item | Service Wrench |
| Size | 40 mm, One Size |
| Overall Length | 7 5/8 in |
| Material | Alloy Steel, Blend |
| Head Angle | 30 Degrees |
| Finish | Satin |
| Head Width | 2 5/8 in |
| Wrench Product Grouping | Wrenches |
| Measurement Type | Metric |
| Head Thickness | 9/32 in |
| Overall Width | 7 5/8 in |
| Standards | ASME |
| Head Size | 40 mm |
| Tether Style | Not Tether Capable |
| Head Type | Standard |
| Insulated | No |
| Nonsparking | No |
| Opening Type | Rounded |
| Wrench Length Style | Stubby |
| Head Offset Angle | 30 Degrees |
| Reversing | No |
| Ratcheting | No |
| Wrench Shape | Straight |
| Handle Color | Silver |
| Corrosion Resistant | Yes |
| Handle Type | One Piece |
| Non-Magnetic | No |
| Opening Angle (Deg ) | 30 Degrees |
| Single End/Double End | Single End |
| Country of Origin (subject to change) | United States |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G7549473 | 28.59 | 1 | 18 | 1 |
| Grainger | 19C247 |  |  | None | 1 |
| ToolUp.com | PROTO J3540M | 42.07 | 1 | None | 1 |
| Resourceful Supply | J3540M | 26.22 | 1 | None | 1 |
| Raptor Supplies | AA8LKP | 79.8346575 | 1 | None | 1 |
| Amazon | B003NSC7P2 | 48.47 | 1 | None | 1 |
| Applied Industrial | 103958882 |  |  | None | 1 |
| bscsource.com | J3540M | 53.79 | 1 | None | 1 |
| National Supply Network | B941225 |  |  | None | 1 |
| grainger.ca | PRT3540M | 75.06285652 | 1 | None | 1 |
| Guardian | 83217778 | 68.04 | 1 | None | 1 |
| kscdirect.com | BLA J3540M |  |  | None | 1 |
| motionindustries.com | 05049235 | 64.64 | 1 | None | 1 |
| stellarindustrial.com | PROTO 3540M |  |  | None | 1 |
| directools.com | J3540M | 37.18 | 1 | None | 1 |
| Turner Supply | 267998020 |  |  | None | 1 |
| grovesindustrial.com | PRO 3540M | 47.32 | 1 | None | 1 |
| National Supply Network | 83217778 | 58.5 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/36000000/36203500/part_--J3540M---Proto--d92d57bd70.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp