Sturdy and durable: The sturdy metal structure of the punch locator is durable and can be used for a long time, you can use it with confidence, new high quality, reliable and safe.ALUMINUM ALLOY DRILL SOCKET: The drill sleeve is made of 6061 aluminum alloy, which has high strength, precise positioning, fine workmanship, smooth and delicate appearance, durable and long service life.ASSISTANT AND PRACTICAL: This is a great woodworking auxiliary puncher and woodworking punch locator. Stable performance and strong practicability.EASY TO INSTALL AND USE: The woodworking hole locator is finely designed, easy to install, does not take too much time, easy to operate and simple to use.8 FITTINGS SPECIFICATIONS: including 3 4 5 6 7 8 9 10 mm 8 kinds of drill bit sets, it is the perfect tool for drilling and making wood and board furniture, I believe it can bring convenience to your life.