Specifications:MaterialCarbideShank Diameter3.175mmTip0.8mm, 1.0mm, 1.5mm, 2.0mm, 3.0mmApplicationMajority of plastics and other hard materials engraving and cutting fine, Acrylic, PVC, Nylon, Resin, Wood, Plywood, Hardwood, Fibre glass, marble, etcQuantity10pcs Feature:▲ Use of carbide material wit..