Why you need the Tama Iron Cobra HP600D 600 Series Single Bass Drum Pedal: The Tama Iron Cobra HP600D 600 Series Single Bass Drum Pedal's most unique feature is a reversible cam called the "Duo Glide Cam." A simple adjustment allows fast changes between a true round "Rolling Glide" sprocket and an offset "Power Glide" sprocket. Drummers can choose the appropriate cam based on playing style, musical environment, and personal preference. Features: • Double Chain Drive • Speedo-Ring • Spring Tight • Para-Clamp • Newly Designed Hinge