DW Hardware DWCPMCD Chain-Drive Bass Drum Pedal With Solid-Aluminum ConstructionMachined from solid aluminum, the DW MCD Machined Chain Drive bass drum pedal offers you the smooth and precise action of a fully adjustable sprocket less cam, which lets you quickly shift between popular chain drive cam settings. Features such as a perforated footboard with contoured heel plate, interlocking Delta hinge, and Tri Pivot Swivel Toe Clamp give the MCD the feel of a well tuned race car. The V. E. R. T. Vertical Sliding Spring Adjustment