Markwort Power Fins Swing Trainer

Batting donuts have been found to do more harm than good, as they upset your natural swing process and the weight distribution of the bat. Swing mechanics are not altered with Power Fins. Markwort Power Fins increase air resistance (similar to swinging a bat in a swimming pool).

• Build swing strength, increase hand/bat speed, and develop stronger wrists.
• Slip the fins over the barrel of the bat.
• One size fits all baseball and softball bats, little league, high school, and college.
• Assembly instructions included.
• Clear poly bag with header card.