1)solid rubber wheel industrial caster 2) Diameter: 50 - 75mm 3) Loading capacity: 30 - 50kg solid rubber wheel industrial casterFeatures: 1) Diameter: 50 - 75mm 2) Loading capacity: 30 - 50kg 3) Double ball bearing swivel head 4) Solid rubber wheel 5) With or without wheel brake6) With stem 8*38mm