Adjustable scaffolding caster with rubber wheel, industrial caster steel core Roller bearing, With solid stem ... : Fork: housing-welded and hollow screw stem, zinc-platedWheel: wheel center made of steel core, tread:solid rubber, blackLoading capacity: 125 ... ,200*50mmWith zinc plated steel threadguardAdjustable scaffolding caster with rubber wheel, steel core, Roller bearing, With solid stem and double ...