Suitable for use with pistons sized between 51mm to 127mm, the piston ring groove cleaner from Laser Tools effectively removes carbon deposits from ring grooves for easier piston ring fitting. Features and Benefits Easy to adjust to different sized pistons Simple bolt removal allows for quick changeover of blade cutters Contents 1x piston ring groove cleaner 3x six-blade cutters: Cutter 1: 1/16in., 5/64in., 3/32in., 1/8in., 5/32in., 3/16in. Cutter 2: 2.0mm, 2.5mm, 3.0mm, 4.0mm, 4.5mm, 1/4in. Cutter 3: 1.2mm, 1.5mm, 1.8mm, 2.8mm, 5.0mm, 5.5mm Typical Applications Automotive