Professional tool set, developed to meet the needs of specialized automotive & mechanical serviceos The socket wrenches, as well as the socket drive, are made of durable, tool-grade Cr V 50 BV 3 chrome vanadium steel The sockets were made using the drop-forging method, and before the hardening process, they were calibrated using precision gaugesos and inspection equipment Sockets equipped with the AS-Drive system, which increases the maximum torque by 25%, with full protection of the nut edges, sockets with a two-tone surface finish The set also includes bits The set enables work requiring very heavy loads and precision, allows you to perform many service activities related to unscrewing and screwing threaded connections of different nominal sizes.