Model number: 03311 Combination wrench American type Size: 6mm~65mm, 1/4"~1-1/2" Drop Forged. Satin Finish. 1. Material: Chrome Vanadium steel, Carbon steel.2. All Metal Construction. Drop Forged. Heat Treated. Cold Stamped. Chrome Plated. Fully Hardened.3. Surface: Satin Finish.4. Packing: color box/ double blister/ hanging card.Specifications: Satin finish Combination wrench