Item Type: V-Shaped Carving Cutter Material: Tungsten steel Specification: 4x0.5x15 4x0.5x20 4x0.5x25 4x0.5x30 Shank Diameter(D): Approx. 4mm / 0.16in Tip: Approx. 0.5mm / 0.02in Length(L): Approx. 45mm / 1.8in Angle: 15, 20, 25, 30 Applicable Machine Tool: Grinder Package List 4 x V-Shaped Carving Cutter 1Possess super strong antibending hardness and abrasion resistance, highaccuracy mirror grinding is smooth and clean 2Stable and clean metal engraving, smooth processing without burrs, bring easy operation and high work efficiency 3Large chip flute, high accuracy 15, 20, 25, 30 angle. Smooth chip removal with long service life 4Excellent tungsten steel material, possess high hardness, wear resistance, good strength and toughness, heat resistance and corrosion resistance 5The applicable machine tool is grinder, possess stable structure and excellent performance, very practical