Hi-Lo ABEC 7 608 Skate Bearings are a solid basic set, ideal for those looking for durability and performance. The spacers and balls are made of strong, durable chrome steel and are pre-lubricated with a light synthetic grease. ABEC 7 Hi-Lo bearings are manufactured by Mission and are used in roller skates, providing the highest level of specifications and quality. The set includes: 16 – Hi-Lo ABEC 7 bearings 8 – spacers 8 – short spacers Size: Standard 608