Double bass drum pedal, 52 series.
Double chain over sprocket drive.
Steel with anti-skid rubber pad.
Two anchor spikes to hold the pedal in place and side-operating clamp mechanism.
4-way beater (felt-plastic).
Adjustable beater angle and spring tension, 540° adjustable tilter.
Drive shaft, tuning key, Allen key, memory lock on beater and additional spring pack to separate into 2 single pedals