Hardened to HRC 42-45

The outer longer pins are for the 9″ x 3″ stones and the inner shorter pins are for the standard 8″ x 2″ stones

Made of Low Density Polyethilene (LDPE)

Pad diameter: 123mm

4 Piece Silver Series Cutter Set Metric 14mm 18mm 22mm & Pin ASSET-Z by Holemaker Kevlar Work Short Hardened to HRC 42-45Features M2AL HIGH SPEED STEEL MATERIAL M2AL High Speed Steel is a high alloy material with a hardness of up to 67. 5 HRC, designed for increased endurance of the cutting edge and tool life. STEP HARDENED PROCESS This state of the art manufacturing process produces cutters with extremely hard tooth tips for increased cutter performance, while maintaining a softer body which is less susceptible to breakage than standard high speed steel cutters. MULTI