Abec-7 Skateboard Bearings w/ Heavy Duty Metal Spacer and Super Titanium Skateboard Bearings PACKAGE:1 set (8 bearings) of Blank Skateboard and Longboard bearings and 1 set (8 pcs) skateboard spacer HIGH SPEED BEARINGS: Used with Skateboards, Longboards, Inline Skates, Rollerblades, Electric Skateboards. PRE-LUBRICATED WITH HIGH SPEED RACING LUBE: Ultra-Fast Lube for Guaranteed High Speeds and minimal friction. Rubber 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 608 STANDARD / ABEC RATINGS: This is Abec 7 skateboard bearings which are more precise tolerances