Features: This pipe drilling jig is designs for use with cylinders and pipe, ensuring the drill bit is centered within the cylinder. Make from heavy duty 304 metal steels, this Pipe Drill Jig offers good durability and resistance. Pipe Center Drill Jig Features a triangular window cutout that provide a clearly view of your work area, allowing for drilling. Pipe Hole Drill Jig compact size makes it easy to store in your tool box, ensuring convenience and portability. Suitable for drilling various cylindrical and pipeline materials, including metal, PVC. Specifications: Component: metal steels Size: about 10.1x5.2x4.7cm/3.98x2.05x1.85inch Package Includes: 1pc Pipe Drill Jig note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.