Adjustable scaffolding caster with rubber wheel, industrial caster steel core Roller bearing, With solid stem and brake Scaoffolding Caster Features: Fork: housing- ... stem, zinc-platedWheel: wheel center made of steel core, tread:solid rubber, blackLoading capacity: 125-185kgsWheel size: 160*40mm,200*50mmWith ... caster with rubber wheel, steel core, Roller bearing, With solid stem and double brakes