Foredom – CEM-1 Speed Control for older brush type motors

Foredom EM table top dial speed control
EM table top speed control is constructed of heavy-duty plastic with durable solid state electronics.
It has a dial control for precise speed settings, as well as good repeatability of previous settings.
Interchangeable and can be teamed up with SR, SRB, L, LB, and older S, SB, SR, SRB, CC and DD motors. (115 volt.)