This paragraph trolley case luggage leather luggage mute damping wheels, Wheels wear muted flexible, easy accessibility. Single load 60 kg, there is no off phenomenon,Quietness and flexibility are perfectly safe to . Material:rubber, metal Bearing OD:22mm Colour:black Bearing ID:6mm diameter:68mm Wheels Thickness:24mm Axles length:35mm Features:wear, mute, load-bearing, double bearing, rotating flexible, Sliding effort, without effort, than the original luggage wheels are easy to . need to measure the following data to know what size you are suitable with wheels measuring the original outer diameter wheels ( size). the inside of the measuring groove width (width of the installed width). through the length measuring rivet screw screw (excluding nuts at both ends) measured through the rivet screw diameter pipe thickness (ie bearing bore width) Package include:2 sets of Luggage Suitcase Replacement Wheels (2 Wheels, 2 Axles, 2 Axles screws, 4 bearings, 4 Washers, 2 Wrenches) Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.