Our V-groove castors are made of high quality galvanized steel, which is sturdy, durable, corrosion resistant and waterproof. Its easy to carry up heavy duty items and load capacity is 300kg each castor. It is perfect for heavy duty sliding gate, factory door, dog gate, garage door, garden gate, driveway gate, inverted track, industrial machine track project. Specifications: Material: Galvanized Steel Loading Capacity: 295kg each castor Wheel Diameter: 50mm Interior Width of Wheel: 20mm Exterior Width of Wheel: 30mm Groove Depth: 8.95mm Groove Width: 3mm Bracket Size: 68 x 38mm (L x W) Bracket Thickness: 3mm Bolt Hole Distance: 55 x 24mm (L x W) Package Includes: 4V-Groove Castors.
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