SAE (Society of Automotive Engineers) shallow impact sockets designed for high torque applications. Material and Coating: Constructed from premium Chrome Molybdenum steel with a manganese phosphate coating for superior corrosion resistance. Features: Features a 6-point WaveDrive design to prevent fastener rounding and clearly visible laser-etched sizing. Sizes: Includes various fractional sizes ranging from 5/16 in. to 1 in. Purpose: Ideal for automotive repairs, construction, and general mechanical work using power tools.