Auco Durable Right Angle Drill Attachment, Adjustable Drill Adapter, Impact Fit, Compact design for driving screws and drilling holes in tight work areas and reaching the places that wouldn't normally be able to reach Compatible with a wide variety of 1/4 inch HEX Shank Accessories. It can works with cordless drill and impact driver up to 18 volts or Up to max.3000 RPM and can exert maximum torque of 500 in-lbs (56.5 Nm). All metal housing for ultimate durability. Constructed with steel gears and ball bearing drive for smooth drilling and long life. Support arm provides security and a comfortable grip. It can help you save time and get the job done faster. Good flexibility - Support with 360 collar rotation and 150 suppore arm rotation