Single pedal Tama, with double chain IRON COBRA POWER GLIDE with Cobra Coil. The Iron Cobra continues to evolve daily for over 20 years. No matter how fast or expressive you play, the upgraded Iron Cobra Power Glide can't stop you. Thanks to the innovative Cobra Coil spring, the HP900PN gives you an incredibly smooth and fast response, as the beater quickly returns to its original position after each kick. The HP900PN is 40% lighter than the previous model of the Iron Cobra, it is incredibly stable, while its durable construction promises long-term reliability.