Resistive Pedal Exerciser w Hand Pedal Pulley Exercisers Replacement Caster 3 x MSHQ 1594XL Replacement Caster 3 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 Comes with Reusable Cover * Non powered adjustable and reactive support surface for individuals who require skin soft tissue protection or have other therapeutic needs * Provides individualized pressure shear and friction management through force redistribution to an individual s shape * Cost effective option for different care settings costing less than high qualitypowered mattress systems * Easily cleaned and disinfected for reuse * Flexible interconnected air cells can be adjusted to match the body s contour providing personalized therapy and critical skin soft tissue protection * The SOFFLEX 2 is made of three sections that snap together simply add or releaseair in each mattress overlay section to accommodate the individual s needs * No need for concern of power failure or energy consumption costs * The SOFFLEX 2 is lightweight easy to transport easy to adjust and set up on different bed types * Mattress overlay system size: 36 x 81 Enjoy all the benefits of bicycling anywhere * Total body exerciser * Better cardiovascular health * No bulky equipment or stressing your joints * Use on the floor to exercise your feet and legs * Pedals have loops for extra security * Adjustable tension control knob *