【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

【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)