Features With Scale: This car model hole puncher features 0 to 14mm scale on tip, allowing for quick and easy reaming of various hole sizes without the need for constant measuring and checking. High Strength: Made from high strength steel, this hole puncher reamer is hard wearing and resistant to deformation, ensuring long lasting performance. Light Weight: This hole opener is lightweight and easy to carry, convenient for RC car, boat, and aircraft model DIY enthusiasts. Textured Surface: The surface of this hole puncher is textured, providing a comfortable grip and excellent slip resistance during use. Wide Usage: This tool is perfect for creating exhaust holes, body post holes, and aviation holes, making it an essential tool for RC hobbyists and enthusiasts. Specification: Item Type: RC Hole Puncher Reamer Material: 45# Carbon Steel, Aluminum Alloy Use: Used for opening hole in model shells or plastic carbon plates Package List: 1 x RC Hole Puncher Reamer Package List 1 x RC Hole Puncher Reamer