Add speed to your compound bow by installing PowerBalls

• for use on strings with a minimum diameter of 2,7mm, including the serving, i.e. string with carrera99.V.44 with 24 strands and .014 serving
• eath weighs 8,5 grains
• install with nock pliers
• new: price per piece
• PowerBalls must be installed over parts with serving, not directly on the string fibers
• no shrink tube included any longer

For more information, please visit the manufacturer website for this product .