6-POINT HEX CONFIGURATION: The 6 PT hex socket design helps avoid rounding off nuts and bolts when subjected to significant torque and the jarring forces of impact wrenches or high-torque electric tools.
EXTREMELY LONG-LASTING: Each 3/8-inch drive socket has black phosphate coating for maximum durability, protection, and will last for years in your tool collection at your automotive shop.
COMPLETE IMPACT SOCKET SET: This complete socket set is heavy duty chrome vanadium and chrome molybdenum, and built with drop forged, heat treated steel to handle the extreme torque of an impact wrench.
MASTER SET FEATURES: 1-3/8" U-Joint (CR-MO); 1-3/8" M * 1/2" F adapter; 1-piece 3/8” ratchet handle low-profile, 72T; 12-Metric Swivel Sockets: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm; 8- SAE Swivel Sockets: 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4”; 1-piece 3/8” x 10” extension bar; 1-piece 3/8” socket adapter for power tools.
LASER ETCHED SIZES: These impact sockets are each individually identifiable with high-contrast laser etched markings for the easy identification of sizes to keep you working at home or the garage on your car or vehicle.