Description: Material: aluminum alloy Angle: 15 degrees 8-piece package size: 13*9*3CM Package size of 15 pieces: 13*9*3.5CM Packing size of 16 pieces: 20*11*3.5CM Meet your different drilling needs, quickly replace the drill seat. 5 bit sizes: 6-10mm; sleeve: 6, 8, 10mm. The 8-piece set includes: 1 adjustable positioner, 6 sleeves (6, 8, 10MM), and 1 wrench. The 15-piece set includes: 1 adjustable positioner, 6 sleeves (6, 8, 10MM), 3 drill bits, 3 spacers, and 2 wrenches. The 16-piece set includes: 1 adjustable positioner, 6 sleeves (6, 8, 10MM), 3 drill bits, 3 spacers, 2 wrenches, and 1 clip. Parts List: 8-piece set: 1 adjustable positioner 6 sleeves (6, 8, 10MM), 1 wrench. 15-piece set: 1 adjustable positioner 6 sleeves (6, 8, 10MM) 3 drill bits 3 spacers 2 wrenches 16-piece set: 1 adjustable positioner 6 sleeves (6, 8, 10MM) 3 drill bits, 3 spacers 2 wrenches 1 clip. The drill bit and drill ring are made of carbon steel, and the locator is made of strong high-quality aluminum, which is not easy to rust or break. 15-degree oblique hole locator, which makes the connection between the two boards stronger, helps you drill oblique holes easily and accurately locate. Punching fixtures are indispensable tools for household woodworking DIY! Create perfect woodworking holes and repair knots, suitable for professional woodworking and household use. The oblique hole locator can easily and quickly drill oblique holes to hide the screws in the wooden furniture. Small size, can be held with one hand, DIY woodworking tools and 2-way inclined holes can achieve precise screw connection.