Ring Groove Cleaner Comes with Two Easy-To-Set Cutter Wheels for Quick Cleaning of Grooves. Heavy coil spring holds cutter in groove for fast removal of carbon. Tool comes with standard 24020 cutter blade sizes: 5/64, 3/32, 1/8, 5/32, 3/16 and special 24350 cutter blade with sizes: 1.5mm, 1/16, 1.75mm, 2mm, and 1/4. Handles pistons 2 3/4 to 5 diameter. 24000 Yes -