Adjustable Plasma Cutting Machine Roller Guide for PT31 Cutting Gun Metalworking Welding Disc Standoff ConsumablesFeature:1. The guide wheel is made of high-speed steel, which is durable and has a long service life2. Brass surface treatment is used for wheels, which is not easy to rust and resistant to corrosion.3. Easy to use, the range and tightness can be adjusted according to the size of the electrode holder head4. The height adjustment range is 22-45mm, which can be used with the PT315 cutting gun. Excellent workmanship, perfect replacement for old or damaged modelsSpecification:Material: High Speed SteelHeight Adjustment Range: About 22 - 45mm / 0.87-1.77in Inner Diameter Adjustment Range: About 18 - 23mm / 0.7-0.9in Max Width: About 65mm / 2.6in Diameter: About 45mm / 1.77in Inner Diameter: About 29mm / 1.14in Height: About 45mm / 1.77in Note: Due to the different monitor and light effect, the actual color of the item may be slightly different from the color shown in the photos. Please allow 1-2cm measuring deviation due to manual measurement.1 x Flashlight Roller Guide