Ludwig Atlas Pro hardware is designed for the touring professional: heavy-duty, engineered for rough travel and hard playing. Ludwig incorporates all of their high-end features into this line of hardware. This bass pedal features a bearing-pivotal spring adjustment that decreases the resistance in each stroke, giving the beater maximum speed. SpurLok heel plate anchors dig in to your drum carpet, assuring that the pedal is not going to go anywhere. Every aspect on this pedal is adjustable, providing you with a completely customized feel. This pedal also features a rock plate base that holds a drum key, as well as a dual-chain drive.