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