Yomega High Performance YoYo Lube Maintenance Kit with 5 Replacement Strings OPTIMIZE PERFORMANCE: Yomega Lube Oil Ensures Maximum spin for Brain, Raider, Fireball, Maverick and all modular designs TOP CONDITION: A small drop of oil on the axle or bearing is all that is required to keep your Yomega yoyo in top condition STRING: Includes 5 replacement strings