Standard interfaces, built-in strong, hexagonal 6.35mm interfaces, built-in strong screwdriver is not easy to fall off It can be benting 90 degrees to rotate around, and screws can be tightened in a small space It is suitable for professional and non-professional workers and can bring lot of convenience to your work Right angles drill driver, suitable for all electric drills and socket wrenches, and can be extended to places where electric drills cannot reach Screwdriver extension holder, ten bit for replacement, and use different bit for different jobs, which brings you great convenience, Manufacturer: Tsophreniq