Bones Reds Precision Skate Bearings With FREE Kata Bones Spacers Single, non-contact, removable rubber shield for easy cleaning and less friction; high speed nylon ball retainer for greater strength and speed Pre-lubricated with Speed Cream racing lubricant Skate Rated clearances, tolerances, materials, and lubricant Includes set of eight bearings, instructions, and logo sticker Set of 4 KATA Samurai Bearing Spacers (Enough for 1 Board)