1.Thermoplastic rubber wheel bolt hole double brake caster 2.Made of pressed steel,zinc plated 3.double ballrace swivel head European type indoor Thermoplastic rubber bolt hole double brake casterItem : 35XXXTPRDBWheel diameter : 60mm,80mm,100mm,125mmWheel materials : Thermoplastic rubberFittings : Bolt hole double brakeWheel bearings : Plain bearingLoad capacity : 50kg,60kg,70kg,80kgHousing:Made ...