Rugged - Made of Zinc Alloy and Nylon for durability, stable properties and long service life FUNCTIONAL - Help us move doors to save your space, decorate and beautify your home, maintain balance, prevent wobble and ensure smooth sliding Design - U-shaped groove design, smooth surface reduces friction and increases use time. APPLICATION - High quality 2 piece door wheel, widely used for door and window following and driving machinery that can be used for flat or round showers High-quality product - easy to install and use, good function, good mute effect. Condition: new and high quality Material: Zinc Alloy, Nylon Delivery Quantity: 2pcs, Colour: Black Kind tips 1. Package content: only the above package content, excluding other products. 2. The size is measured manually, please allow 1-2 cm measurement error. 3. Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. Products from 's store