Using a wrench wrench porous with multifunction, convenient use, high efficiency, stable and reliable, lightweight portable.

• products for small and medium sized wrench size is 3/8''~13/16'', can be used in 9~22mm tube or equivalent size of the parts, the length is about 21cm, double structure. The large wrench size is 7/8''~1/4'', which allows the use of a tube or a considerable size of the 23~32mm, and the length is about 27cm. The head of the head of the fight, with the fire, tooth wear, strong combination. Fit the nut on the round tube, square tube, screw. Using bicycle repair tools and other occasions, fast and convenient.