Product Usage - Use with clamps and drill bits (not included) to create or repair invisible wood joints. (Please get the promo code on the product page when purchasing to get a more favorable price.) Mini Size - One hand can be grasped, DIY woodworking tools and 2-way oblique holes for precise screw connections. 15° Angle Drive - Very fast and accurate hardware tool for drilling 15° angle holes and burying screws to conceal them. Easy to Adjust - Easily switch between pairs of 6/8/10mm drill bit drive adapter, used for all types, positions and angles of wood. Convenient to Use - Convenient and easy to quickly drill inclined holes to hide screws in furniture. wood. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.