Commode Chair Wheel Caster 3 InchHigh-Quality PVC caster, Get smooth, quiet rolling, all while protecting your floors.LOAD CAPACITY: One caster capacity is 40kg / 88lb, total capacity for 4 casters is 120kg / 264lb (calculated by 3 casters ). Because when the floor is uneven, sometimes there will be only 3 casters bearing weight.Features:Wheel Dia: 75mm / 3inchWheel Thickness: 20mm / 0.78inchCapacity: 40kg / 88lb per wheelInstall Type: M12 Threaded StemThread Dia: 11.8mm / 0.46inchThread Length:..