ATLAS Pro -For the Touring Professional-Pro Single LAP15FP Bearing-Pivotal Spring AdjustmentBall bearings support for both ends of the spring decreases resistance in each stroke for maximum speed and increased spring life. SpurLok Heel Plate AnchorsAdded stability and grip to insure solid, slip-free performance located directly under the heel plate for improved stability. Tri-Felt Red Stripe beaterMade of medium-density felt for punchy attack and full sound, with lightweight aluminum hub, stainless steel shaft, and laser-engraved Stainless-Steel Drive ShaftMachine tooled for precise rotation and easy adjustability. Fully adjustableCustomize feel and position with footboard angle, beater angle, and spring tension adjustments. Multi-Positioning Hoop ClampA non-marring clip that adjusts to the diameter of the drum for less damage to the hoop. Included Atlas drum keyWith storage clip on the baseplate. LAP15FP