panovo 14pcs power nuts driver drill bit tools set metric socket wrench screw 1/4'' driver hex keys panovo <b>specifications:<br> material: chrome vanadium steel<br> shank length: 2.2cm<br> shank diameter: 1/4 inch (6.35mm)<br> socket diameter:<br> sae(7pc): 3/16", 1/4", 9/32, 5/16", 11/32", 3/8",7/16"<br> metric(7pc): 5, 5.5, 6, 7, 8, 10, 12mm<br> quantity: 1 set (14pcs)<br></b>