V-type Wheels, 90mm Z-TOOLS. The Va wheels feature a V-groove design and are available in sizes 50 mm, 70 mm, 80 mm, and 90 mm, making them ideal for sliding doors with V-track. The body is constructed from durable steel, while the internal rollers allow smooth operation. The sturdy construction makes these wheels suitable for heavy loads and intensive use. Installation is straightforward, and minimal maintenance makes them suitable for both residential and industrial applications.