Specification: material: plastic size: Wheel diameter: 48mm Wheel width: 18mm Ground clearance: 52mm Overall height: 93mm Colour: Black The package includes: 1 pair of suitcase wheels NOTE This suitcase wheel is compatible with repairing DIY suitcase replacements. Wheels do not fit in all situations, type and size must be checked becompatible withe ordering. If you selected the correct type, but the holes compatible with the wheel may not be exactly the same spacing, you will need to drill holes in your shell and then assemble it Material plastic + steel bearing + silent wheel Packing List 1 pair (2) of luggage rolls and suitable self-tapping screws Product Features Wear-resistant, good bearing capacity.