Features WITH SCALE - This car model punch has a scale of 0-14mm on the tip, which allows for quick and easy boring of different hole sizes without the need to measure and check constantly. HIGH STRENGTH - Made of high-strength steel, this reamer drill is durable and resistant to deformation, ensuring long-lasting performance. LIGHTWEIGHT This hole opener is lightweight and easy to carry, convenient for DIY enthusiasts of cars, boats and RC aircraft models. Textured Surface The surface of this punch is textured to provide a comfortable grip and excellent slip resistance during use. Wide Application This tool is perfect for creating exhaust holes, body post holes and aviation holes, making it an essential tool for RC enthusiasts and enthusiasts. Specification: Item Type: RC Punching Reamer Material: 45# carbon steel, aluminum alloy Use: For opening holes in model shells or plastic carbon plates Package List: 1 x RC Drill Reamer Package List 1 x RC Hole Puncher Reamer