Model number: 32802 Pointed cold chisel Material: 65Mn steel Size: 150mm-350mm Hardness: HRC48-55 1. Material: 65Mn alloy steel, or Chrome Vanadium steel, or High Carbon steel. 2. Drop forged and heat treated.3. Hardness: HRC48-55.4. Shank: Hexagoanl, octagongal, round available.5. Surface: orange color painted. 6. Size: 150x14mm, 200x14mm, 200x16mm, 250x16mm, 300x16mm, 350x16mm, 400x16mm, ...