High quality forging, forged from heat treated chrome vanadium steel, each socket surface treated with corrosion resistant black phosphoric acid to prevent oil and rust.
Laser marking, each with a clear laser size mark, makes it quick and easy to select even in dim light.
6-point socket design expands the contact surface between the socket and the fastener, increasing the locking force, reduces wear and prevents rounding off at corners
Customized storage boxes, each with a designated slot, so that the socket does not fall off easily. Sizes are also printed next to each card slot for easy identification.
Set contain: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 mm; 3", 5", 10" extension bar; 1/2" universal joint; 3/8" -1/2" adapter.