This is a 0.8-10mm right angle drill attachment with max.3/8" chuck and 8mm hex shank, which makes it suitable for almost all standard drills. It can make drill power swerve 90°and get to hard-reached places. A great tool for the DIY and professional user! Features: 10mm keyless chuck, accept 0.8-10mm drill bits, with manual tightening / loosening. 8mm hex shank suits most standard drills: hand/power drills, electric drill, buffing attachments etc. Max. 1500RPM and 20N·m torque. Simple to install and operate, with a handle for stable usage. Make electric drill power swerve 90°for hard-reached places. Apply aluminum and tool steel, strong & durable. Specifications: Color: Black Material: ABS + Aluminum + Steel Type: 90°Drill Attachment Diameter of Hex Shank: 8mm / 0.31" Jaw Chuck Range (Diameter): 0.8-10mm / 0.031-0.393" Max. Speed: 1500 RPM Max.Torque: 25N·m Product Size: 15.5 * 9.8 * 4cm / 6.10 * 3.86 * 1.57" Product Weight: 452g / 15.93oz Package Size: 17 * 13 * 4.5cm / 6.69 * 5.12 * 1.77" Package Weight: 455g / 16.04oz Package List: 1 * Right Angle Drill Attachment (Bend Extension)