Type:Camshaft Pulley Wrench. Extended Handle Design:Our extended handle is longer than others in the market, it makes the job easier. Also works on a diesel injection pump or water pump. 4 Size hold Pin:4 different size hold pins 6-10mm (0.24-0.39 in), 8-11mm (0.31-0.43 in), 10-12mm (0.39-0.47 in), 11-16mm (0.43-0.62 in).