Williams M-52EHA Enclosed Head Ratchet 1/4-Inch,SnapOn,M-52EHA" /> Overall length of 5-Inch Sealed to prevent dust,dirt, and liquids from entering the head, preserving internal lubrication Forged one piece ratchet provides strength and safety for industrial applications 36 tooth gear with 10 degree of engagement that allow engagement in tight work areas Nickel chrome plating provides increased protection from rust and corrosion