Features and Benefits: ?Wrench is UL classified and 1000 V insulated ?Durable forged steel for longer life ?Large directional switches for use with gloves ?High contrast size markings ?Ergonomic handle ?Lanyard hole ?Two separate metal heads ?1/2 in., 9/16 in., 5/8 in. and 3/4 in. twelve point sockets The Milwaukee? lineman’s 4-in-1 ratcheting insulated box wrench is 1000 V UL classified. Durable forged steel construction provides users with longer tool life, the ratcheting wrench’s ergonomic handle is designed to deliver users with comfortable use while wearing gloves and still allows for easy storage. High contrast size markings let users identify size easier. The box wrench features twelve point sockets that fit 1/2 in., 9/16 in., 5/8 in. and 3/4 in. hardware.