Mount 6-in-1 heavy duty nut driver put six functions together into this one, including six popular nut driver sizes. Powerful enough to deliver a higher torque (62% higher than others), tackling even the most stubborn nuts and bolts. Apply a wrench on the hex shaft for added torque. Heat-treated Cr-V alloy steel features extra strength and durability. Chrome finish protects the surface from rust and corrosion. Precisely sized 6-pointed ends perfectly fit onto the right-sized nut heads. Dual-material handle is engineered ergonomically to give secure and comfortable grips. Spring-loaded retaining ball on each socket tightly locks onto the handle and keep them in position, avoiding slipping off. Convenient to store all the sockets in the grip handle. Size marking engraved on each piece with color coding for easy identification. Make a socket replacement in a breeze. Nut Driver Size: 3/16in, 1/4in, 5/16in, 3/8in, 7/16in, 9/16in.
