1. High-quality high-speed steel material can definitely improve the durability and stability of the product 2. The surface is plated with brass, which is not easy to rust and corrosion resistant 3. The range and density can be adjusted according to the size of the welding tongs, and the operation is simple 4. Professional design and reasonable structure, convenient to replace the old or damaged one 5. The wheel has a great craftsmanship, which can be used with for 40A/PT31 oxygen cutting Item type: cutting guide wheel Height adjustment: .22-45mm Inner diameter adjustment range: . 18-23mm colour: gold Material: high-speed steel Size: 45x45mm Package Contents: 1 x Plasma cutting guide wheel Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.