Product Description Design Hex Socket Cap design, can easily be driven by allen keys and does not slip easily. It also has a thin edge which could dig into the surface of contact for a secure grip on a wide range of surfaces. Material High quality 304 stainless steel. Stainless steel is a common material with a density of 7.93g /cm3, also called 18/8. It has good workability and high toughness up to a temperature of about 800 degrees. Dimension √M2.53– –20Pieces √M2.54—-20Pieces √M33——20Pieces √M34——20Pieces √M310– –20pcs √M44—-20pcs √M46—-20pcs √M48—-20pcs √M55—-20pcs √M5 8—-20Pieces √M510—20Pieces √M66—-20Pieces √M610—-20Pieces √M88—-20Pieces< br/>√M8*12—-20 Pieces Application Suitable for door handles, faucet, light fixture, knobs, armament repair, plumber and aut res small repairs around the shop, garage or home.