GearWrench extra long flex head wrenches have a locking system whereby locking the flex feature in the desired position makes it easier and quicker to place and remove when you need to access. Wrench tilts 180¡ at any interval to reach into tight places and needs only 5¡ of movement to turn a fastener. Mirror finish. Nickel chrome plated. Also in a set.1/2", 8.15"