Material: The 1-hole punch is made of aluminum alloy with oxidized surface, strong and durable, not easy to rust, beautiful and sturdy. Eight drill sleeves of 3/4/5/6/7/8/9/10 cm are available for different hole diameters. Features: The straight drill guide is a tool for woodworkers to accurately control the drilling position. It consists of a fixed base and a removable fixed head. It is characterized by high precision, easy to use and wide application. PRECISION DRILLING: The drilling jig can help woodworkers accurately drill holes on wood products made of different materials, improve work efficiency and accuracy, and avoid losses due to errors. The locator is easy to use, just adjust the holes on the fixed base to align the position where the holes need to be drilled. It also has anti-vibration and anti-skid functions to ensure stability and safety during the drilling process. Wide application: The straight drill guide can be used with different woodworking drills to adapt to