Max. 1500RPM and max. 25N m torque - Made of aluminum with heat-treated steel shank for strength and durability, and full metal aluminum housing with metal gears 8mm hex shank - suitable for hand drills or electric, including hand-held electric drills, sanding or polishing tools 90 degrees - It can rotate the drill power 90 and reach hard-to-reach places. The drive attachment lets you drill into tight corners or awkward angles, perfect for the professional kitchen fitter, carpenter, or construction worker 10 chuck mm (3/8") - Tool chuck accepts standard drill bits from 1mm to 10mm, with key to tighten/loosen Handle 155mm in length - simple to install and use, with a handle for stable use. Suitable for virtually all drills, air, electric, cordless, etc.