The Wheels Are Practical And Quiet, Wear-Resistant, Good Bearing Capacity, The Bearings Are Ball Bearings.Replacement Wheels For Your Suitcase, They Are A Good Replacement For Wheels That Have Lost Their Tread Before, Easy To Install,Keys, Axles And Screws Included In The Package.A More Affordable Way To Replace The Case Is To Simply Remove The Worn Casters And Install New Ones, Which Is Better Than Throwing Away A Case And Buy Another.We Offer A Variety Of Wheel Sizes, Such As 50 X 18Mm,60 X 18Mm,70 X 24Mm,80 X 24Mm, And There Are Black And Colored Wheels For Choice, Black Suitable For All Color Suitcases, And The Color Makes Your Suitcase Very Interesting.Suitable For All Sizes Of Suitcases, Furniture That Needs To Be Moved, Wheelchairs, Etc. Please Confirm The Size Before Purchasing, Measure The Width Interior And Exterior Of The Support.