1.Range of cutter including Tungsten Carbide Tip/TCT Cutters, steelmilling cutters and steel scarifying cutters to suit most machines. 2.hardened bore or fully hardened body(for TCT cutter) and hardened body(for steel cutters) 3.plated body 4.High grade carbide tip k30(TCT cutters). ModelEngineWorkingwidthOperationmassHP-SM1GX160200MM61KG(134IBS)HP-SM2GXV160220MM70KG(153IBS) Scarifying Machine, Scarifying Miller, scarifying