Proto 63PC Socket Set 1/4 3/8 Drive W/NB J47163-1A-SBD

Proto's premier 163-piece master socket wrench set, offering one of the most complete 1/4" and 3/8" drive tool collections for professional mechanics and industrial maintenance teams. This massive set features an exhaustive selection of SAE and metric sockets in 6-point and 12-point configurations, alongside specialty drive tools, extensions, and high-performance ratchets. Designed for durability and precision, each socket incorporates the TorquePlus™ internal design to prevent fastener rounding by focusing torque on the flats. With its high-strength alloy steel build and professional full polish finish, this set is engineered to excel in the rigorous environments of aerospace, automotive, and heavy manufacturing.
Key Features
Massive 163-piece collection provides unparalleled coverage for 1/4" and 3/8" drive applications.
Includes a full range of 6-point and 12-point sockets in both SAE and metric sizes for global equipment compatibility.
TorquePlus™ design distributes stress over a larger surface area to protect fasteners and increase torque.
Comprehensive assortment of professional ratchets, extensions, and universal joints for superior accessibility.
High-alloy steel construction ensures maximum strength and long-term reliability under heavy industrial loads.
Full polish chrome finish provides exceptional corrosion resistance and easy cleanup after use.