Jobst UltraSheer 15 20 Knee CT Black XL Diamond Pattern Lift Chairs Accessories weight capacity * Seat height Procedure Mask Ultra Pleated weight capacity * Seat height 20 Replacement Caster 3 x 1 1 4 * 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 * HD Casters Have Threaded Stem For Extra Security And Safety * Construction: Heavy Guage Cold Rolled Steel Formed For Strength * Total Lock Caster Both Swivel And Wheel At The Same Time * Operates With A Simple Tap Of The Toe * Jobst makes your legs look as good as they feel * Provides relief from tired aching legs * Reduces mild swelling * Helps improve circulation * Provides continuous relief from tired aching legs and mild swelling * Use gradient technology to help improve circulation and revitalize your legs especially when sitting or standing for long periods of time * Latex free * Elegant diamond design perfect for stylish occasions * Unparalleled sheerness without sacrificing durability * JOBST© Advanced Comfort© gives stocking a light and cool feel for year round wear