<p> Description:</p><p>Material:rubber+metal</p><p>Color:black</p><p>Bearing Inner Diameter:6mm</p><p>Wheel Outer Diameter:50mm</p><p>Wheel Width:18mm</p><p>Axis Length:35mm</p><p>Capacity:50kg</p><p>Quantity:2pcs</p><p>Package included:</p><p>2X Wheel</p><p>2X 35mm Length Axis</p><p>2X Screw</p><p>2X Wrench</p><p>4X Washer</p>