paragraph trolley suitcase leather luggage mute shock-absorbing wheels, The wheels carry flexible mute, easy accessibility Single load 60 kg, there is no phenomenon, quiet and flexible are completely safe for buyers. Color: black Material: metal + rubber Size: Rubber OD: 35 mm thickness: 17 mm Ball bearing Hole: 6.1 mm Weight: 270G Features: wear, mute, load-bearing, double bearing, flexible rotation, Sliding effort, effortless, than the original luggage wheels are easy to use. Buyers should measure the following data to know the size you are suitable with the wheels measure the original wheels outer diameter (wheel size). the inside of the measuring wheel groove width (width of the width total installed). through the wheel rivet screw screw length measurement (excluding nuts at both ends) measured through the wheel rivet screw diameter pipe thickness (i.e. bearing bore width) Package Contents: 6 Sets Luggage Suitcase Replacement Wheels (6 Wheels, 12 Axles, 6 Axle Screws, 12 Washers,