250rmin Screwdriver Bits Set Multifunctional Repairing Tool Kit for Mobilephones Computers P552

Fine workmanship and beautiful modeling design for stable performance and durability. Ergonomic handle, with antislip bumpy texture design, comfortable grip, easy to use, help improving your working efficiency. Cordless design, built-in rechargeable battery, universal USB rechargeable interface, economic and eco-friendly. Adopts strong-magnetics motor, no-load speed up to 250rpm, with rotation-speed-protection function. When rotating with the all-metal , the concentricity of the