Constructed from drop-forged, heat-treated chrome-vanadium steel with a black phosphate finish for superior durability. The set includes 1/4-inch drive deep and shallow sockets, covering Sae sizes (5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 7/16, 1/2, 9/16 inch) and metric sizes (4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 mm). Featuring a 6-point design with rounded corners, the sockets deliver maximum torque while preventing damage to fastener edges. Size markings are applied using a combination of etching and stamping for clear, wear-resistant, and permanent identification. Weight: 4.4 lbs.