Tama HP310LW Speed Cobra 310 Double Bass Drum Pedal. The Speed Cobra 310 series was developed using the same design principles as the Speed Cobra 910 series, and offers remarkable performance at an affordable price. The extended footboard, which features the same design as the Speed Cobra 910, offers rapid acceleration and power with less physical effort. The Recessed Setting provides the perfect balance between the natural characteristics and motion of a chain drive pedal, and the lighter overall action of the Speed Cobra 310 series. Long Footboard with Recessed Setting Provides Comfortable Playing Action. LiteSprocket Offers Smooth Action at 40% the Weight of a Standard Sprocket. Equipped with a Robust Double Chain Drive Mechanism. Dual-Sided Beater Offers Tonal Variety. Drum Pedal Type : Double. Drive System : Dual Chain. Beater Type : Dual Sided Felt and Hard Plastic Beater.