Features Intuitive Cutting Diameter Locator: The gauge with a ruler allows for easy and accurate positioning of the cutting diameter, ensuring cuts every time. Extended Cutting Range: With a length of 50cm, this cutting gauge is capable of cutting circles with a diameter of up to 100cm, providing versatility for various cutting needs. Stainless Steel Construction: Crafted from stainless steel, this tool is built to withstand heavy-duty use, offering long-lasting durability and reliability. Convenient Magnetic Base: The magnetic base enables direct attachment to the workpiece, facilitating effortless and stable during cutting tasks. Compatible with A40 and PT？31: Specifically designed to be compatible with A40 and PT？31 cutting torches, ensuring seamless integration with your existing equipment. 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, to use 4、The magnetic base can be directly attached to the operating workpiece for easy . 5、Suitable for A40 , PT？31 cutting torch Specification: Item Type: Torch Compass Roller Guide Material: Stainless Steel Applicable Cutting Gun Type: For PT-31 /A40 Cutting Gauge Length: Approx. 50cm / 19.7in Cutting Diameter: Approx. 100cm / 39.4in Package List: 1 x Torch Compass Roller Guide Package List 1 x Torch Compass Roller Guide