The Schley/SP Tools Cam Gear Holder, No. 12100, helps technicians avoid difficulties when removing andinstalling a cam gear bolt due to extreme breakaway and high torque requirements. Cam gears are easily broken using conventional pin-type cam gear holders. This tool holds the hex at the gear hub making removal and torquing of the cam gear bolt easy and accurate, according to the company. This tool was designed for use on 18 models of Dodge and Chrysler cars, trucks, SUVs and Vans from 1995-2011.