Are you looking for a professional and practical mortise converter? Our products will be your . Made of iron materials, it has excellent durability and practicality. Reasonable design makes it easy to install and use, bringing you more convenience. This is a very efficient and practical mortise converter, which will meet your needs very well. Features -Material: Iron -Size: 18.00X10.00X10.00cm/7.07X3.93X3.93in -Type: 65-40 reducer sleeve. - This bench drill hole accessory is made of iron, durable, and can be utilized for a long time. - With this tool, you can convert the bench drill to a square mortise machine, save your money. - With good toughness, high performance and , not easy to deform and damage. - Compact size, you can take this bench drill hole converter with you wherever you want to use it. - Easy to install and remove, you can install or remove this bench drill converter by yourself quickly. Package list: 1 x bracket 1 x deceleration ring