Blickle b po fixed castors and wheels 75100125150160175200mm blickle 445635 this b po 160g fixed castor and wheel from blickle features a oslash 160mm wheel with pressed steel castor and top plate fitting equipped with a bolted wheel axle which is zinc plated blue passivated and cr6 free the natural white wheel has been manufactured with high quality impact resistant nylon and offers excellent rolling resistance blickle 445635 b po 160g pressed steel swivel castor wheel