Yato YT-38561 Socket and Tool Set is a professional toolkit, developed to meet the needs of specialized car and mechanical services. Socket wrenches and socket drives are made of durable (CrV 50BV3) chrome-vanadium steel material. Sockets equipped with the AS-Drive system to increase the maximum torque by 25 percent with full protection of the rim of the nuts and sockets with a two-tone surface finish. The caps were made by the die forging method and before the hardening process, they were calibrated using precision gauges and control devices. The socket set enables work requiring very high loads and precision, it allows us to perform many service activities related to unscrewing and tightening threaded connections of various nominal sizes. The set will be used for assembly works, mechanical repairs and many other works in the household or workshop. Set includes;- Ratchet Handle 3/8"(9.5mm) : (L = 200mm) 72T (jump angle 5deg.) CrMo440 Steel, Sockets 3/8"(9.5mm) : (L = 28mm) 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16mm CrV50BV30 Steel : (L = 30mm) 17, 18, 19, 20, 21, 22mm CrV50BV30 Steel, Extension x 2 3/8"(9.5mm) : L1=76mm, L2=152.4mm CrV50BV30 Steel, Sliding T-bar 198mm CrV40 streel, Universal joint 3/8"(9.5mm) CrV50BV30 Steel and Quality carry case.