Gibraltar Hardware 4611DB Double Bass Drum Pedal – New, Old Stock. Playing with a double bass drum pedal can really add something to your drumming. It does take quite a bit of practice to perfect your technique, however. This Gibraltar 4611DB double bass drum pedal offers a predictable, responsive feel and is a great pedal for drummers who are about to take their first steps into the world of double bass drum pedals. Gibraltar Hardware 4611DB double bass drum pedal This Gibraltar pedal features a single-chain drive, which gives it a light, quick feel. To further adjust that feel to fit your personal preference, it is also possible to adjust the spring tension. The attractive pedals feature Gibraltar wave-design footboards, and come with dual surface beaters that have one felt and one plastic side. Product specifications double bass drum pedal brand: Gibraltar model: 4611DB single-chain drive adjustable spring tension wave-design footboards.