Mapex P810TW Armory Response Drive Double Bass Drum Pedal. Mapex Armory Response Drive Double Bass Drum Pedal is part of the Gig-Quality Hardware line, designed with heavy-duty tubes, double braced legs, and memory locks to provide adjustability for serious players. Its double chain, solid steel base plate, retractable floor spikes, and ball-bearing spring system create a solid and durable feel. This hardware line from Mapex is ideal for drummers seeking peace of mind during performances, even with intense playing. With its strong construction, including heavy-duty tubes and double-braced legs, this Armory Response double-kick pedal can handle some punishment. Its sensitivity is enhanced by the double chain and Ball Bearing Spring System, resulting in a solid and reliable feel that increases durability in the long run. Additionally, the solid steel base plate and retractable floor spikes provide optimal performance stability, giving a firm grip on any drum rug.