Specifications: Material Type: Cast steel + PU The max load: 8T (17,600 lbs / 8000 kg) Normal load: 4T (8800 lbs / 4000kg) Cap: 360 degree rotation rollers（wheels） Quantity: 6 Roller Size: 3.14 x 2.75inch (8 x 7cm) Base (L x W): 12.1 x 8.3 inch (30.7 x 21.1 cm) Load Capacity: Dimensions (L x W x H): 15.7 x 8.8 x 4.3inch (40 x 22.5x 11cm) Product Weight: 21KG Color: yellow/red Features: Maintenance free design for convenience. Compact size for easy storage. Polyurethane-coated steel rollers for smooth maneuvering. Rugged all-steel construction. A durable power-coat finish. More durable and longer life. Built-in handle for convenient handling and storage. Heavy-duty capacity handles the tough jobs. 360 degree rotation adds maneuverability. Applications: The machinery mover is an excellent tool for warehousing, distribution, transportation that are requested to move many large heavy items. It can also used at home if you need. Ideal for industrial and commercial applications. By using steering arms which can be easily made to attach to the front or rear upper cross bar, heavy loads can be maneuvered into tight areas with ease. Package Included: 1 X 8T Machinery Mover