PREMIUM MATERIALS: High quality forging, forged from heat treated chrome vanadium steel for superior strength and durability. Each socket surface treated with corrosion resistant black phosphoric acid to prevent oil and rust.

Metric and SAE: 3/8-Inch Drive Ratchet Handle, 3" and 6" drive impact extension bar, 3/8" universal joint, 1/2" to 3/8" reducer and the following socket sizes: Metric Sizes: Deep: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,21,22mm, Shallow: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,21,22mm. SAE, Deep: 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4 (inches), Shallow: 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4 (inches).

SIZE MARK: The laser mark on the impact socket and the specification mark on the tool box make it easy to quickly identify the socket you need.

6-POINT DESIGN: Special internal arc angle design of 6-point socket increases the contact area with the fasteners, grasp more firmly. Protect nut from wear and skid.

DEDICATED STORAGE BOX: The plastic box contains all socket sets to facilitate storage in the storage box.