Bones Swiss Ceramics are in a class by themselves. If you want the best there is, this is it. The Cerbec ceramic balls are much lighter, harder, stronger, waterproof, and longer lasting than the finest steel balls. Made in Switzerland. Features: Accelerate faster. Roll faster and farther. Resist dirt and moisture better. Help to repair injuries to your races caused by dirt. 1 non-contact, removable rubber shields allow easy cleaning. High speed nylon ball retainer for greater strength and speed. Skate Rated clearances, tolerances, materials and lubricant provide the best performance and durability possible. Bones Speed Cream is a high temperature, low viscosity synthetic skate lubricant specially formulated by Bones to reduce friction, and provide a durable micro film of lubricant to protect against corrosion. We have found this lubricant to be superior to Teflon based lubricants in skate environments. Speed Cream R.F. makes your bearings faster and is very long lasting. Contents: Set of 8 bearings, 4 bearing spacers, Instructions, Sticker, Bottle of Bones Speed Cream.