V-type wheel, 80mm Z-TOOLS. V-groove wheels are available in various sizes: 50 mm, 70 mm, 80 mm, and 90 mm, suitable for sliding doors with V-shaped rails. The body is made from durable steel and the internal axles allow smooth operation. The sturdy design makes these wheels suitable for heavy loads and intensive use. Installation is simple and minimal maintenance makes them ideal for residential and industrial applications.