Sakura 40 Teeth (SF640UB) reversible dual handle 15% - 25% hair removal - alloy steel /Molybdenum with cobalt edges. 5.5" . The Alloy steel has an extremely low impurities content and therefore excellent wear resistance, and is a fully rust proof. 40 Teeth Thinning with dual handle for different texturing effects comfort and control. Next day delivery!