... sleeve, eccentric shaft, axletree, transmission pliers, circular saw, linearity saw and housing, front cover, setscrew, power line, wire plug, and so on. This ... electric engine revolving, the twirl of eccentric shaft will drive transmission pliers to form a to-and-fro swing and saw ... #1 MOS2 lubricating grease to prevent the abrasion of the transmission parts and the affect to the service life due to ...