The COR 20 oz bat weight disperses weight at the barrel for a traditional, balanced feel. New cushion-fit technology, with rubber infused fins eliminate friction on the bat, safeguarding the barrel from rings and scratches. The COR provides optimal performance for all skill levels, from Youth to Pro. Fits 2 3/4" & 2 5/8" barrel bats. Made in USA. Patents pending. Notice: not designed for live batting. Do not strike baseballs or Softballs. Confirm proper fit to bat before use.