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 Kit Material: CRV-V chrome vanadium steel Cylindrical Punch Size: Approx. 2 x 10 x 150mm / 0.1 x 0.4 x 5.9in 3 x 10 x 150mm / 0.1 x 0.4 x 5.9in 4 x 10 x 150mm / 0.2 x 0.4 x 5.9in 5 x 10 x 150mm / 0.2 x 0.4 x 5.9in 6 x 12 x 150mm / 0.2 x 0.5 x 5.9in 8 x 12 x 150mm / 0.3 x 0.5 x 5.9in Flat Chisel Size: Approx. 12 x 10 x 130mm / 0.5 x 0.4 x 5.1in 15 x 12 x 150mm / 0.6 x 0.5 x 5.9in Center Punch Size: Approx. 4 x 10 x 120mm / 0.2 x 0.4 x 4.7in Cone Chisel Size: Approx. 5 x 10 x 130mm / 0.2 x 0.4 x 5.1in Cone Chisel Size: Approx. 4 x 12 x 150mm / 0.2 x 0.5 x 5.9in 3 x 10 x 120mm / 0.1 x 0.4 x 4.7in Box Size: Approx. 183 x 115mm / 7.2 x 4.5in Purpose: Flat chisel for engineering maintenance, fine polishing, smooth surface. Package List: 12 x Chisel