Blickle lpale tpa light duty swivel castors and wheels 5075100125mm blickle 346619 this lpa tpa 50g fi light duty swivel castor and wheel from blickle features a oslash 50mm wheel with pressed steel castor top plate fitting and stop fix brake equipped 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 play and smooth rolling ch