Proto 3/8 Drive 31 Piece SAE IM Set J72131IM-SBD

Proto's professional-grade impact socket collection engineered for heavy-duty automotive and industrial applications. This comprehensive set features the high-performance TorquePlus™ design, which allows for quick engagement and shifts contact stress away from fastener corners to minimize rounding and damage. The black phosphate finish provides superior corrosion resistance and identifies them for impact use, while the ultra-thin case design is specifically engineered to fit into shallow 2-inch drawers, providing an organized and accessible storage solution for high-density tool environments.
Key Features
Comprehensive 31-piece set includes SAE sizes from 1/4" to 1" in both standard and deep lengths.
Impact-rated construction is engineered to handle the high torque and vibration of pneumatic and electric impact wrenches.
6-point TorquePlus™ geometry provides superior grip, allowing for higher torque application without damaging fasteners.
Ultra-thin case design fits inside 2-inch drawers for efficient tool storage and organization.
IP54-rated blow-mold case keeps out water and dust to protect tools in demanding industrial conditions.
Removable lid design allows for rapid tool access and nests conveniently under the case during use.
Manufactured in the USA from high-strength alloy steel for professional-grade durability.
Includes premium corner labels on the storage case for quick content identification.