Broad Compatibility: replacement front wheels are designed for Navigator Rotator, Compatible with models NV350, NV351, NV352, NV355, NV356e, NV500, NV501, NV502 NV42 NV22 NV31 NV70 MoreExcellent Quality: replacement wheels for Navigator Rotator, that made of high-quality PE material, and soft, which 't damage floors.Installation Instructions: Easy to install, using a flat-blade screwdriver to push down the old small wheels, and then install the new wheels.Keep healthy and clean: it is recommended to check the vacuum wheels regularly and replace the worn wheels to help maintain the vacuum performance and bring you a healthier life.Please confirm your model to a suitable replacement.color:as shownMaterial:plasticPackage Contents:8 x vacuum wheelOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.