Promark Select Balance Rebound Balance Drum Sticks, Wood Tip, .580 55A Rebound Balance taper for a back heavy stick that feels like it's doing most of the work .580" diameter comparable to most 55A models Promark Select Balance drum sticks are available in Forward or Rebound balance options Made in the USA to the highest weight and tone sorting standards in the industry Promark plants 5 trees for every one used manufacturing drumsticks