Legendary Bones Swiss bearings have been the industry standard ever since they were introduced in 1983, and are still a favorite with when skaters want the best. Fast, smooth, and very long lasting, they remain unequaled in their class. Bones Swiss feature the same ultra high performance components used in Bones Swiss Ceramics, except that the balls are polished chromium steel instead of ceramic. Bones Swiss have earned their fame through decades of proven, dependable, superior performance for all skaters, whether you're just starting or pro!.