China Carbide Inserts Cutters Square Straight Knives 14.6 X 14.6 X 2.5mm-30 Cutting Angle Replacement for Spiral/Helical Planer Cutter Head Wood Turning Tools 10PCS, Find details about China Carbide Insert Knives, Carbide Insert Cutter from Carbide Inserts Cutters Square Straight Knives 14.6 X 14.6 X 2.5mm-30 Cutting Angle Replacement for Spiral/Helical Planer Cutter Head Wood Turning Tools 10PCS