100% brand new and high quality Made of fine material and has a long service lifes, you do not need to change it often. Small in size and easy to carry, you can take it with you to anywhere you want to use it. There are 5 different size for different outer diameter of your benchs drill, please check before order. With this tool, you can convert the benchs drill to square tenon, you do not need to buy the square tenon, save your money. Easy to install and remove, you can install or remove it by yourself quickly. Specifications: Material: Meral Length: approx 180mm/7.1 inches Type: A-65-40 reducer sleeve/B-65-53 reducer sleeve/C-65-55 reducer sleeve/D-65-58 reducer sleeve/E-65-60 reducer sleeve Note: 1.Please allow 1-3cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes: 1x Square Tenon Machine