Fine design does not hurt the nut, the design of the 12 corners of club, the gear combination is tight and the torques is large, it is not easy to slip, and the nut is not hurt.Convenient control more stable, the open ends in the pre-tightening process is more stable, easy to control, not easy to Open plum wrench double use, open plum, alternate use, double head designs a variety of functions without cumbersome replacement wrench Standard opening, strong torques, a wide ranges of applications widely applicable to a variety of scenarios, clamping different specifications of suitable for car repair, parts replacement industrial assembly, and other use scenarios The scientific of long-term use does not hurt the hand, reduces the barrier, reduces the risk of hand collision High hardness strength toughness industrial grade double-purpose wrench, lengthening labor saving, easy to disassemble, comfortable to hold, Manufacturer: Uqezagpa