This is a set of 29 pieces carving hand . The locator is made of high-grade plastic material, milling burrs are made of steel, they are all very sturdy and durable to use. Our carving locator is very easy to install with the rotating tool, no need any special . Features - ColorAssorted Color - Material: Steel and Plastic. - Size: 6 x 6 x 4.2 cm. - Carving positioner for fixing drill grinders, milling cutter, , grinding machine with screw cutter can be connected directly to the rotary clamp, and positioning. - Bit usage: suitable for wood, plastics and other materials, carving, engraving, hollowing, chamfering, slotting, reaming. - The locator is made of high-grade plastic material, milling burrs are made of steel, they are all very sturdy and durable to use. - Adjustable depth control for a precise finish. - Our carving locator is very easy to install with the rotating tool, no need any special . - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 29 x Drill Set