Snap-on offers the Ball Joint Press Master Kit, No. BJP1, made to help technicians save time when servicing press-in style ball joints, The kit covers 99 percent of domestic applications with 15 adapters. The C-ring retention system locks adapters to the BJP1 frame for easy handling, and all adapters can mount to either the frame or pressure screw. Made from high-strength chromoly steel, the adapters are heat-treated to higher hardness, giving better wear resistance. The set can fit in a 4" drawer for easy storage.on domestic vehicles.