Pearl Control Core Quad Beater B-250QBYou can achieve four distinct kick drum sounds with the Pearl B 250QB Control Core Quad Beater. This universal pedal beater features both soft felt and hard plastic playing surfaces (2 of each), in four orientations, to provide different tones for different styles of music. The Control Core Quad Beater is weighted for speed and power, giving demanding drummers both the control and attack they need