Connect with confidence, speed, and power through the zone this season as you focus on enhancing your mechanics with the Varo(R) COR(TM) 20 oz. Bat Training Weight. Engineered to mimic a game-like feel and help develop solid mechanics and strengthen specific muscles, this training weight comfortably fits onto a variety of youth and pro bats to ensure they're protected against rings and scratches. Bolster Your Swing: Advanced Weight Distribution: Disperses weight to the end of the bat to maintain a game-like feel Cushion-Fit Technology: Integrated rubber fins protect the barrel of your bat from suffering rings and scratches Air Diffusion: Helps focus more on natural wind resistance Barrel Feel: Strategic weight distribution encourages an inside path to the ball True-Fit Core&trade: Delivers a secure fit across Youth and Pro bats Additional Details: Weight: 20 oz. Fit Guide: Fits 2 3/4'' and 2-5/8'' barrel bats Recommended for ages 14+ Manufacturer's Warranty: 1 year