Proto 3/8" Drive 12 Piece Metric Socket Set - 12 Point J52216-SBD

Proto's J52216-SBD (also identified as model J52216) is a professional-grade 13-piece fractional deep socket set engineered for high-torque applications within a 3/8 inch drive system. This heavy-duty collection is designed to provide extended reach for fasteners located in deep recesses or on long threaded rods, making it an essential kit for automotive and industrial maintenance. Manufactured by Proto from high-strength alloy steel with a full-polish chrome finish, these sockets offer superior durability and resistance to corrosion. By integrating the J52216-SBD into your professional toolkit, you ensure a reliable, high-performance solution that emphasizes fastener integrity through the advanced TorquePlus internal design.
Key Features
Comprehensive 13-piece fractional (SAE) set includes deep socket sizes: 1/4 inch, 5/16 inch, 3/8 inch, 7/16 inch, 1/2 inch, 9/16 inch, 5/8 inch, 11/16 inch, 3/4 inch, 13/16 inch, 7/8 inch, 15/16 inch, and 1 inch.
Total product weight of 4.64 lbs (2.105 kg) provides a robust, industrial-grade feel optimized for professional workshop environments.
Deep-well construction allows for easy access to fasteners in recessed areas and on extended bolts where standard sockets fall short.
Features the advanced TorquePlus internal design, which shifts stress away from fastener corners to prevent rounding and damage to hardware.
6-point socket geometry provides maximum surface contact for a secure, slip-free fit on stubborn, worn, or rusted fasteners.
Precision-forged from high-strength alloy steel to withstand the significant torque demands of heavy-duty mechanical tasks.
Full-polish chrome finish delivers exceptional resistance to rust and industrial fluids while ensuring effortless cleanup.
Includes a 13 inch socket rail with clips for secure organization and rapid tool identification during high-pressure jobs.