This foot operated speed control comes in a heavy cast iron metal housing. The extra weight provides added stability and control. The bottom surface of the SCT is covered with non-skid material. It features the same durable, solid state electronics as the Foredom® FCT Electronic Foot Control Pedal. The ergonomics allow precise and reliable speed control with your foot. For use with 115 Volt SR, SRB, SRH and SRBH motors. CSA Listed. Measures 7" x 5" x 2-1/2".