New invention self-tightening nut self-tightening wrench

10寸自紧扳手：

4cm*25cm

12寸自紧扳手：

5cm*30cm

自紧螺母：

m10/m12/m16

The benefits of choosing a self-tightening wrench over a pipe wrench and wrench. () is inserted, there is no need to repeatedly adjust the turbine clamping, you can also take your hand away from the turbine and apply force directly on the tail. In this way, the clamping is easy and the twisting and turning is labor-saving.
() The loose nut does not need to be clamped repeatedly. It is inserted once and twisted continuously during the whole process, which has an excellent ratcheting effect.
() Any nut that is dead or damaged so that it cannot be unscrewed with a traditional wrench can be easily solved with tools.
The () tool can not only loosen and loosen nuts quickly, but also can easily engage and twist tubular objects, completely solving the trouble of pipe wrenches.
In any small space, wrenches, pipe wrenches, and even nuts that cannot be operated by current hand tools, tool hands can easily solve the problem. This is the biggest specialty of the tool hand and must be emphasized. The key is that the nut can be turned at a very small swing angle.
The self-tightening wrench tool hand is not a wrench, but a tool hand. It can replace: pipe wrench, water pump wrench, wrench, ratchet wrench, Allen wrench, torx wrench, plum wrench, open end wrench, dead wrench, scaffolding wrench, electric scaffolding wrench, dual purpose wrench, four purpose wrench, right angle wrench , hook wrench, crescent wrench and other tools, one is equivalent to ten, so you can travel lightly. Only after using it did I realize that it is powerful, efficient, unparalleled and wonderful. You give it a little pressure, and it will do wonders for you. It can easily handle rusty screws, nuts, round pipes, etc.