Blickle lh alst heavy duty swivel castorswheels 100120160200250mm blickle 579581 this lh alst 200k fi heavy duty swivel castor and wheel from blickle features a oslash 200mm wheel manufactured with a pressed steel swivel castor top plate fitting and stop fix brakethe bracket is made of heavy pressed steel with a heavy fork and top plate along with a strong bolted and secured central kingpin there is also a double ball bearing in the swivel head it is reinforced by four speci