How to use a ratchet wrench?

A manual screw tightening tool, single-headed, double-headed multi-specification movable handle ratchet wrench. It is connected by the main plum blossom sleeve and the secondary plum blossom sleeve of different specifications and sizes through the female key and the male key of the hinged key. Since a plum blossom sleeve has two specifications of plum blossom-shaped through holes, it can be used for tightening screws of two specifications, thereby expanding the scope of use and saving raw materials and labor costs. The movable trigger can easily adjust the angle of the wrench. A ratchet wrench for rotating bolts or nuts placed in narrow or difficult to access positions, the ratchet wrench is rotatably connected with the end of the operating rod. The ratchet wrench includes: a weight connected with the operating rod, the weight can slide along the length of the operating rod, and the operating rod at the front of the weight has a front weight bearing part that blocks the impact of the weight. Alternatively, the operating rod at the rear of the weight has a rear weight bearing portion that blocks the collision of the weight.