Made of sturdy aluminum alloy, max. load capacity is up to 30kg. Ideal for the application in the studio or on the smooth ground. Fully adjustable to work with any travel or professional tripod. Its axle length is 2-section adjustable from 33cm to 45cm. Individual lockable wheels. Metal ball bearing swivel with rubber wheels for smooth roll. Easy folding design with built-in handle. Folding down to 42cm for easy transport or storage.