Professional tool for commercial or occasional use Triangular profile sockets A security / tamperproof socket with a triangular profile for fixings found on V A G TDI Engines / Bosch Injectors and some light fittings 1/2" drive so will fit any 1/2" drive ratchets / extensions Manufactured from chrome vanadium steel for strength and durability Suitable for injection pumps and Bosch Injectors SET INCLUDES THE FOLLOWING - M5 x 8mm / M6 x 10mm / M8 x 12mm / M10 x 15mm / M12 x 16.5mm Comes on a socket rail for easy storage and transportation