China 60mm Standard Square Straight Tungsten Carbide Replacement Inserts Turnover Knives Cutter 60mm X 12 X 1.5mm for Woodworking Spiral Helical Planer Head, Find details about China Carbide Insert Knives, Carbide Insert Cutter from 60mm Standard Square Straight Tungsten Carbide Replacement Inserts Turnover Knives Cutter 60mm X 12 X 1.5mm for Woodworking Spiral Helical Planer Head