... Adjustable scaffolding caster with rubber wheel, industrial caster steel core Roller bearing, With solid stem and brake ... hollow screw stem, zinc-platedWheel: wheel center made of steel core, tread:solid rubber, blackLoading capacity: 125-185kgsWheel size: ... 160*40mm,200*50mmWith zinc plated steel threadguardAdjustable scaffolding caster with rubber wheel, steel core, Roller bearing, With solid stem ...