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.

Product specification includes 1/4-Inch Drive Ratchet Handle, 3" and 8" drive impact extension bar, 1/4" universal joint, 3/8" to 1/4" reducer and the following socket sizes: SAE, Deep: 5/32, 3/16, 7/32, 1/4, 9/16, 9/32, 5/16, 11/32, 3/8, 7/16, 1/2, 9/16 (inches), Shallow: 5/32, 3/16, 7/32, 1/4, 9/16, 9/32, 5/16, 11/32, 3/8, 7/16, 1/2, 9/16 (inches) ,Metric Sizes: Deep: 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13,14,15mm, Shallow: 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13,14,15mm

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.

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.