Alumina pot wheel for TS-630 sharpening machine for sharpening planer knives, chipper knives, etc. DIMENSIONS D - 100 MM T - 53 MM H - 20 MM PRODUCT SPECIFICATION: - product: tar. Cylindrical grinding wheel - dimensions: 100x53x20 mm - material: electro-corundum - hardness: medium - bond: ceramic - grit: medium - intended use: chipper blades. and planers. - quantity: 1 piece - weight: 0,7 kg Product PURPOSE: This disc is designed for sharpening planer and chipper knives of medium grit. It is made of electro-corundum. It is mainly recommended for fine (finishing) grinding of steel sensitive to grinding burns.