... rubber wheel, Cast iron or PP coreBearing: Roller bearing or Steel bushingHardness: 85(±5)ADiameter: Φ75,Φ80,Φ100,Φ125,Φ160 ... 2mm, 2.5mm, 3mm3. CasterType: Swivel, Fixed, Swivel with brakeMounting: Top plate, Threaded stem, Grip stem, Bolt hole.Load Capacity: 50~180kgFeatures ... FlexibilityExcellent Water ResistancePoor Grease Resistance Grey Rubber Wheel With Swivel Top Plate And Brake