PDSP450 PDP 400 Series Single Bass Drum Pedal For PDP 800 Hardware Pack Overview: PDP hardware is designed by industry leader Drum Workshop, a company that has been solving hardware problems since 1972. The PDP 400 Series Bass Drum Pedal offers drummers amazing value. It features a sleek, racing-inspired footboard, and a Single-Chain Drive with Offset Cam for improved torque. It comes standard with a PDP Two-Way Beater, built-in spurs, Side Adjustable Toe Clamp, Three-Position Stroke Adjustment for its spring tension, and a built-in drum key clip. With the 400 Series Pedal, it’s easy to dial in your own personal playing style.