Allen socket set

Cr-V IMPACT GRADE: This metric impact socket set contains high-grade impact pieces in each complete set, which includes a socket holder blow-mold case for storage and is constructed of heavy duty drop-forged premium chrome vanadium steel.
EXTREMELY LONG-LASTING: Each 1/2-inch drive socket has black phosphate coating for maximum durability, protection, and will last for years in your automotive tool collection at your shop.
6-POINT HEX: The 6 PT hex socket design prevents round-off on nuts and bolts under high torque exertion and hammering stress from an impact gun or electric wrench with heavy torque output.
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.
METRIC SIZES INCLUDE: Deep well socket sizes - 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 mm.

NEIKO impact sockets sets are renowned for quality, heavy duty torque output, and longevity.