材料：K15超微粒鎢鋼 〈BR〉適用：壓克力，密度板，PVC等3D雕刻和倒角 〈BR〉特點：單刃設計，排屑好，刃口鋒利〈BR〉Material：K15solid carbide 〈BR〉Applications：ACRYLIC,HARDWOOD,ALUMINUM,STEEL 〈BR〉Applications：Double-edged cutting design, excellent concentricity. Its the best 3D Engraving Bits〈BR〉