Features: 1.??Fitment??Suitable for Detroit Diesel Series 60 engines. 2.??Direct Replacement??Alternatives to J-35652-A. 3.??Powerful Function??This tool is used to correctly keep the cam device fixed without damage while removing/installing the cam device fixing bolt. 4.??Upgrade Design??The tool is designed to be installed in the gearbox and mesh with a shock-absorbing hole in the camshaft drive gear. 5.??Superior Material??Made of top strong iron which can withstand impact, and the surface is covered with a black coating to resist corrosion so that can ensure a longer service life. .