Pu scaffolding caster Scaffolding series: Bracket thickness:5.75 mm Polished galvanized surface treatment Lasting light more antirust Riveting technology high loading capacity Wide useful environment Namematerialwheel dia (mm)wheel width (mm)loading height (mm)loading capacity (kg)bearingoffsetplate size plate thickness holader thickness Lead screw Plate brakenylon.Pu.Rubber With iron core, Nylon with iron Core 15045/50470-1000300-360double 202/203bearing/ Needle bearing40platesize:5.75 Plate thickness:32/35 Holader thickness 280/350(customized as customer' demand)