Chrome Vanadium quality steel Power torque +15% High resistance toolbox 1/2" and 1/4" sockets, extensions, bits, ratchets, adapters and much more 1/2″ 18 hex sockets 10-32mm; 4 deep socket 14-19mm; 2 spark plug socket 16mm & 21mm; 2 extension bars 5″ & 10″; 1 universal joint; 1 quick ratchet handle; 1 bit holder; 1 3-way-adaptor; 15 bits (-)8-12 T40-55 (+)3,4 (*)3,4 H8-14; 1 bit adaptor; 3 hex key wrench1.5,2,2.5mm 1/4″ 13 hex sockets 4-14mm; 8 deep hex sockets 6-13mm; 2 extension bars 2″ & 4″; 1 universal joint; 1 quick ratchet handle; 1 spinner handle 6″; 17 bit socket (-)4-7 (+)1,2 (*)1,2 H3-6 T8-30; 1 flexible extension 6″; 1 sliding handle