Professional tool for everyday commercial or occasional use. Suitable for engineers, electricians and home DIY enthusiasts. Complete set that is needed to fix air conditioning, ECU units in a handy little case. The bits are made from S2 steel and are tamper proof. SET Includes; 2 x sockets SW12 AND SW15 (1/4″ DR total length 40mm) 2 x specialist sockets 2.2mm and 3.2mm (1/4″ DR total length 50mm) 1 x 1/4″ bit holder 7 x 5 point tamper proof bits TS10 / TS15 / TS20 / TS25 / TS27 / TS30 AND TS40 Complete in a blow molded case for easy storage and transportation.