Description: A set of dedicated tools for inserting pistons into cylinders by compressing the piston ring when the piston ring is attached to the piston. The included band holds pistons with the piston ring and compresses with a dedicated plier. Dedicated pliers have a locking feature so they can be secured in any position and can be held in place. Fits pistons with diameter of 73-111mm Comes with dedicated pliers and 6 sizes of bands. Product Specifications: Package Contents 1 x Dedicated Pliers 6 Bands: 73-79, 79-86, 86-92, 92-98, 98-105, 105-111mm