Yellow Jacket Premium Skateboard Bearings, Pro Longboard Bearings, 608, ABEC (Pack of 8) HIGH PRECISION HIGH SPEED BEARINGS: Used with Skateboards, Longboards, Inline Skates, Rollerblades, Electric Skateboards, and has the highest precision in the market. Higher precision than REDZ PRE-LUBRICATED WITH HIGH SPEED RACING LUBE: Ultra-Fast Lube for Guaranteed High Speeds and minimal friction. Yellow shield seals lubricant inside bearing and wheel ENGRAVED COLOR SEALS FOR PROTECTION: Cool engraved colored seals for bright colors and protection from dirt, rocks, dust, to lengthen the life of the bearing and maintain precision TOP QUALITY AT LOW END PRICES: Yellow Jacket Bearings are built for racing and durability at a fraction of the cost. Hand inspected before packaging to ensure highest quality for customers HASSLE-FREE MONEY-BACK GUARANTEE: Designed to last longer than any other bearing on the market. If for any reason you are not 100% satisfied, please return your Yellow Jacket Bearings for a no-questions asked, full refund