Electric wrench, one machine or split machine good? Brush good or no brush good?
Domestic charging wrench called one machine, that is, the use of standard integral motor, such as the most commonly used is the 775 motor, the magnet is 2 ferrite magnet, is the ordinary 2 pole motor. Authentic fission is the use of four pieces of rare earth neodymium. I hope my answer will help you
It must be a good separation, but it depends on the true division or the false division, and the false separation is similar to the whole, and the stability may not be as good as one.
