DRIVETOL

Proto Tools is an American industrial hand tool company. Founded as Plomb, it is presently a division of Stanley Black & Decker. The company is credited with creating the first combination wrench in 1933. Robust 24-tooth design with 15° arc swing. Alloy steel drive gear for strength and durability. Low profile head for access in constricted areas. Reversing lever design for quick, one-hand operation. Knurled slip-resistant grip.