Feature:1. The kit includes cylindrical punches, center punches, flat chisels, tapered chisels and conical chisels, etc., with a wide range of applications.2. These chisels and punches are made of high‑quality CRV‑V chrome vanadium steel, which is hard and tough after overall heat treatment.3. These engraving and punching tools are finely polished and have a smooth appearance and do not hurt your hands when used.4. Chisels can be used in conjunction with electric hammers to generate greater impact, which allows for effective and precise drilling.5. These chisels and punches are stored in a plastic box with a lock, which is easy to access and can protect these tools well.Specification:Item Type: Chisel Punch KitMaterial: CRV-V chrome vanadium steelCylindrical Punch Size: Approx. 2 x 10 x 150mm / 0.1 x 0.4 x 5.9in3 x 10 x 150mm / 0.1 x 0.4 x 5.9in4 x 10 x 150mm / 0.2 x 0.4 x 5.9in5 x 10 x 150mm / 0.2 x 0.4 x 5.9in6 x 12 x 150mm / 0.2 x 0.5 x 5.9in8 x 12 x 150mm / 0.3 x 0.5 x 5.9inFlat Chisel Size: Approx. 12 x 10 x 130mm / 0.5 x 0.4 x 5.1in15 x 12 x 150mm / 0.6 x 0.5 x 5.9inCenter Punch Size: Approx. 4 x 10 x 120mm / 0.2 x 0.4 x 4.7inCone Chisel Size: Approx. 5 x 10 x 130mm / 0.2 x 0.4 x 5.1inCone Chisel Size: Approx.4 x 12 x 150mm / 0.2 x 0.5 x 5.9in3 x 10 x 120mm / 0.1 x 0.4 x 4.7inBox Size: Approx. 183 x 115mm / 7.2 x 4.5inPurpose: Flat chisel for engineering maintenance, fine polishing, smooth surface.Package List:12 x Chisel