METAL SPRING CAM FOR DRUM: 1 set drum foot pedal springs cam with spring, tensioner.
DRUM PEDAL SPRING: Suitable for bass drum foot pedal.
PERCUSSION PEDAL SPRING: High strength spring has lasting elasticity, durable in use.
DOUBLE BASS DRUM PEDALS: Easy to assemble and use.
DRUM FOOT PEDAL SPRING: resistant, high tensile strength, long service life.