Item Type: Torch Compass Roller Guide Material: Stainless Steel Cutting Gauge Length: Approx. 50cm / 19.7in(with scale) Maximal Cutting Diameter: Approx. 100cm / 39.4in Package List?1 x Torch Compass Roller Guide Features: 1. The gauge with a ruler can intuitively and conveniently locate the cutting diameter 2. The cutting gauge is 50cm long and can cut a circle with a diameter of 100cm 3. Made of stainless steel material 4. The magnetic base can be directly attached to the operating workpiece for easy operation 5. Suitable for G01-100 cutting torch