Casters only for 7038 Heavy Duty Set 4 (2 Lock 2 NonLock) Grab Bars Accessories The Lumex Walkabout Wide Four Wheel Ships From:FL, USA The Lumex Walkabout Wide Four Wheel Rollator offers a lightweight and affordable solution with now MORE added comfort * Designed with a wider aluminum frame this lightweight rollator now offers a width inside the handgrips of 18 Operation temperature: +10 °C to 40 °C Replacement Caster 5 x 1 1 4 *HD Casters Have Threaded Stem For Extra Security And Safety *All Single Wheel Castes Come With Removable Bolt And Locknut Allowing Disassemlby For Easy Cleaning And Removal Of Build Up Grime Thread Or Anything Else That Your Wheel Picks Up During Normal Usage *This Caster System Will Add Longevity To Your Casters *Swivel: Double Ball Bearing With Hardened Raceways For Extra Strength *Cover: Helps Protect Swivel Bearings *Construction: Heavy Guage Cold Rolled Steel Formed For Strength