TEKTON 6-point sockets are ideal for working with hex-shaped fasteners. They’re designed to grip the sides and not the corners of the fastener heads, which prevents round-off. The large, die-stamped markings are permanently impressed into the material and optimized for readability.6-point socket opening provides an ideal, exact fit for hex-shaped fastener headsSocket geometry is designed to apply force to flat sides of fasteners and not the corners, preventing round-offDeep-length sockets reach into wells and accommodate the excess threads of longer shaftsExtra-large die-stamped size markings are easy to read and can’t wear offPolished, chrome-plated finish easily wipes clean and is highly resistant to corrosionBeveled inner rim of the socket opening helps guide it smoothly onto fastenersTwist-to-Lock Socket Rail organizes and securely holds sockets in place, both for in your toolbox and on the go29-pc 1/2 in drive deep 6-point inch sockets: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38 mm; Socket rails and tray