For cleaning accumulated carbon and material build up inside the piston ring groove
Suitable for use on pistons 51–127mm (2”–5”)
Features three six-sided cutters suitable for both Metric and SAE pistons
SAE – 1/16”, 5/64”, 1/8”, 5/32”, 3/16”, 1/4”
Metric – 2.0, 2.5, 3.0, 4.0, 4.5 (mm)
Metric – 1.2, 1.5, 1.8, 2.8, 5.0, 5.5 (mm)