About This High quality material:made of PU,one piece moulding,flexible rotation,more wear-resistant and silent,high quality material to effectively extend the service life of the luggage suitcase wheels Wheel size:diameter x thickness:45mmx18mm;Bearing Total Width:21mm;Bearing ID:6mm;Axles Length:30mm/35mm/60mm(3 Size Included) Easy to install:Just use a hacksaw to cut off the pole or drill out the riveted axle bolt/pin.Then,put on the new ones and lock the screws with the spare washers and hex key Widely applications:Fix for most luggage suitcase/trolley case/duffle bag/drawbar box with damaged/jammed/rubber worn wheel replacement repair,but also for replacing inline roller skate wheels Support dual wheels install:2 long axles 60*6mm can be used to fix dual wheels.All you need to do is to confirm the distance between the two wheels is within the range of 10-18mm/0.4-0.7in. Overview Size : 45mm Wheel Brand : EVARSOL Wheel Size : 45 Millimeters Pitch Circle Diameter : 1.77 Inches Item Weight : 3 Ounces Item Diameter : 45 Millimeters Load Index : 50 Rim Width : 0.71 Inches Color : silver Manufacturer : EVARSOL Exterior Finish Zinc : Material Alloy Steel, Polyurethane, Rubber : Exterior Finish Zinc : Material Alloy Steel, Polyurethane, Rubber Wheel Backspacing 2 Millimeters : Rim Size 1.77 Inches : Wheel Backspacing 2 Millimeters : Rim Size 1.77 Inches