Tama HP310LW Speed Cobra Bass Pedal - Double Pedal PERFORMANCE: Faster beater stroke with less physical effort! DESIGN: Stress and muscle fatigue reducing design. Long footboard, recessed setting and beater angle adjustment system FEEL: Smoother, lighter feel with round LiteSprocket and double chain drive DURABILITY: Cylindrical brass sleeve protected hinge and durable double chain drive TENSION: Spring Tight feature keeps the spring from twisting so there's never any loss of power transmission