Kolvi rõnga soone puhastaja

For the removal of carbon deposits from piston ring grooves. Suitable for piston sizes from 51mm to 127mm. Complete with three six-blade cutters. Cutter 1 1/16"-5/64"-3/32"-1/8"-5/32"-3/16", Cutter 2 -2.0/2.5/3.0/4.0/4.5mm & 1/4", Cutter 3-1.2/1.5/1.8/2.8/5.0/5.5mm. Time saver.