T27 x 4-in. Acetate Screwdriver has an acetate handle featuring a heat-treated, alloy steel blade for increased durability. A comfort optimized handle is ideal for high and low torque applications. The Blade and shaft are coated with a satin-nickel finish to resist corrosion.Strength and durability - made of heat-treated alloy steelComfort optimized handle - for high and low torque applicationEasy to use