One tool set to install just about any balancer out there. with 12 adapters to fit a variety of applications, this one-stop shop kit will allow a builder to keep everything together in a neat and organized way. Roller thrust bearing included to reduce friction. Plastic molded storage case included. Included adapters are as follows: 7/16-20, 1/2-20, 9/16-18, 5/8-18, 3/4-16, M12-1.75, M12-1.5, M10-1.5, M14-1.5, M14-1.5, M16-2.0, and M16-20.