Specification Heavy Duty apparatus caster wheel Diameter:101-152mm Loading capacity:140-310kg Double ball bearing swivel SpecificationHeavy Duty apparatus caster wheelDiameter:101-152mmLoading capacity:140-310kgDouble ball bearing swivelWith thread guard andSwivel with total lock brake or directional lock brakePhenolic,polyolefin,TPE or PU wheel available heavy duty caster