The Snap-On JH Williams M-52EHFA enclosed flex head ratchet has an overall length of 7-Inches and a high polished chrome finish. It is sealed to prevent dust ,dirt, and liquids from entering the head, preserving internal lubrication. It has a 36 tooth gear with 10 degree of engagement that allow engagement in tight work areas. The nickel chrome plating provides increased protection from rust and corrosion and feature a mirror like exterior that can be easily cleaned after each use. The single pawl ratchet design is for tighter tolerances between pawl and gear which reduces metal fatigue and slippage under the load. Easy access reverse lever allows user to change working direction quickly and easily with only one hand.