Heavy Duty Water Heater Element WrenchThe EZ FLO Water Heater Element Wrench Socket is constructed of a heavy duty steel with a chrome plated finish that resists corrosion. The wrench is designed for use with a screwdriver to remove and replace residential screw in water heater elements quickly and easily. The socket measures 1 1 2 in. diameter and includes a 3 4 in. to 1 2 in. adapter for a universal use. Socket measures 1 1 2 in. in diameter and includes a 3 4 in. to 1 2 in. adapter