Foot Pedal, for Lil Beaver, Classic, Deluxe, Elite. The Vector R & D SC-150 Foot Pedal is a reliable and ergonomically designed accessory, built specifically for use with the Lil Beaver series-including the Classic, Deluxe, and Elite models. This foot pedal allows you to maintain hands-free control of your ultrasonic scaler, giving you the freedom to focus fully on patient care.