Package Including: 3 x blade, 3 x drill bits, 1 x tool handle, 1 x wrench, different blade sets can meet your different needs. Please see the included blade specifications clearly. High Quality: It maded of high speed steel, strong and durable, can be used for parts with different hardness. Standardized componentsMany woodworking jobs require the production of standardized components. Our ring forming tool will help you make multiple rings with the same thickness and standard size. Speed up the task: If you need precision, it takes an hour or more to smooth a wooden ring with your hands. Now you can achieve precise cuts in the right way within a few minutes and get the smoothness you need. Widely Application: Brilliant woodworking can produce lovely wooden necklace beads, pendants, bracelets and now finger rings. Very suitable for making napkin rings and jewelry. A finished and polished wood ring can be an excellent tableware or jewelry. Specification: Material: high speed steel Color: as shown Size: Blade 17/19/21mm How to use: 1. Before drilling, center it first, use a twist drill to drill a hole on the plank to be drilled, and drill through; 2. Install the knife, install it on the bench drill, start the bench drill, check whether the cutter head is swinging, after confirming, aim at the drill hole on the wooden board and drill down, (drill down steady, move slowly, feel the drill bit It is best if there is no vibration in the front). After the belt is drilled halfway, turn the wood inverted, aim at the drill hole and drill the other side (repeat the previous operation), and a blank of the finger will come out; 3. For polishing, I use a hexagonal handle to polish the rod. I use a wood that can be inserted into the finger in the front. Knock the polishing rod in, then put the finger on the finger and rotate it on the machine. Use sandpaper 400 mesh 800 mesh 1500 mesh 3000 mesh 7000 mesh polishing, and finally polishing with cotton cloth. The inside of the polishing is polished with the fingers of the hand, so that one finger is completed. Package Including: 3 x blade 3 x drill bits 1 x tool handle 1 x wrench