The 3/8 in. Drive Deep Chrome Socket Set is a collection of most frequently used 3/8 in. drive deep chrome sockets in metric sizes Premium Chrome Vanadium steel tempered with our proprietary heat treatment process to withstand more torque MaxChrome plating, achieved through thorough polishing and careful application of chrome protective plating, ensures durability and corrosion resistance 6-point WaveDrive design grips fasteners more tightly than traditional design, preventing fastener rounding and giving you more leverage 15-piece set 3/8 in. drive deep chrome sockets: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 mm The Capri Tools 3/8 in. Drive Deep Chrome Socket Set is a collection of most frequently used 3/8 in. drive deep chrome sockets in metric sizes.