Place of origin: Guangdong, China(mainland) Brand name: Jameson Model number: SF1-1551-543 Material: Rubber or PP Product DescriptionDiameter: 40/50mmLoad capacity: 10/20/25kgMaterial: Rubber or PP Type: Link pin or stemOur caster are low noise design, floor protection, smoothing running, wear-resisting, anti-friction, resistance to impact, strong carrying capacity.