China Yg6/Yg8 Standard Square Straight Tungsten Carbide Replaceable Knives Cutter Inserts 30X12X1.5mm for Woodworking Spiral Helical Planer Head and DIY Wood Lathe, Find details about China Carbide Insert Knives, Carbide Insert Cutter from Yg6/Yg8 Standard Square Straight Tungsten Carbide Replaceable Knives Cutter Inserts 30X12X1.5mm for Woodworking Spiral Helical Planer Head and DIY Wood Lathe