Casters only for 7038 Heavy Duty Set 4 (2 Lock 2 NonLock) Heating Units Plastic safety seat is available 416700 Plastic safety seat is available with and without a built in abductor (pommel) * Safety harness and crotch strap standard for proper positioning * Adjustable suspension mechanism to fit any frame up to ten feet * Optional headrest legrest seat cover and swing down straps * Weight capacity: 150 lbs * 75 h x 22 w x 29 d * Notice to California Consumers: WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm * 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