Stanley® Proto® 12 Point Box Wrench measuring 11/16" X 3/4" X 11 1/4" is made of forged alloy steel and is designed to use with stubborn or damaged fasteners. Wrench can fit 4, 6 and 12 point fasteners and has a non-reflective protoblack finish. It allows for fine indexing that helps to improve speed, access and has a design that allows for quick/easy socket engagement to the fastener flats. It has torque plus system incorporated in its box ends and is heat treated for strength and durability. It employs a radius-corner design, shifting contact area and stress away from the fastener corners and distributes contact stresses over a large area of the box end.
Features
This 12-Point Protoblack Box Wrench has a 11-1/4" length and 11/16"x3/4" opening
Special alloy steel and heat treat permits thin box walls for strength and durability
Thin narrow jaws for better access in limited space
Modified square open end provides the strongest design with better fastener grip