Description:1. .2. Wheels using nylon material, based on wear and avoid yarn cut yarn off.3. Nylon handle, reasonable design, feel good and easy to use.4. When you use it, the wheel is slightly aligned with the tape, it rolls slowly, you can easily push the tape into the card slot.5. The concave convex double pressure wheel is suitable for a variety of installations.6. The hook tip is sharper, and the old screen fixing spline can be lifted easily.7. With it, it is convenient to replace the yarnshaft gauze. Specifications:Material: Plastic + Metal Double Head Pressure Wheel: Concave Wheel, Convex WheelPackage Included:1*Wheel GauzeNote:1. Please allow 1-3cm differs due to manual measurement.2. Due to the different display and different light, the picture may not show the actual color of the item. Thank you for your understanding.