Blickle lkpalp vsth light duty swivel castors and wheels 3550mm blickle 754816 this lkpa vsth 50k light duty swivel castor and wheel from blickle features a oslash 50mm wheel manufactured with a pressed steel swivel castor and top plate fittingthe bracket is made of pressed steel with a double ball bearing in the swivel head ball protection by the special top plate and ball disc design the special blickle dynamic riveting process of the swivel head results in minimal swivel head pl