Features
- 1/4, 3/8,1/2, 3/4-Inch Drive tools.
- Designed for fastener sizes 1/16 – 2-3/8-Inch, 2 mm – 24 mm.
- Modules contained: JCS-MAS-1, JCS-MAS-2, JCS-MAS-3, JCS-MAS-4,
- JCS-MAS-5, JCS-MOD833.
- Enhanced version of Proto J99940 Master Technician Maintenance Set.
What’s in The Box
- 21-Piece 1-Inch Drive Deep Impact Socket Set – J76121
- Owner’s Manual
Warranty
- Limited Lifetime Factory Warranty
- 30 Day Satisfaction Guaranteed
Specifications
| Model | J76121 |
| Brand | Proto |
| Drive Size (in) | 1 |
| Drive Type | Square |
| Piece Count | 21 |
| Finish | Black Oxide |













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