Blickle le po swivel castors and wheels 75100125150160175200mm blickle 525048 this le po 175g fi swivel castor and wheel from blickle features a oslash 175mm 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 characteristics