This magnetic chuck control was on my Do-All 612 surface grinder. The vacuum tube quit and I replaced the entire unit. It will also need new electrical cords.
Located in Pensacola, Florida. Can be picked up, or I will ship (please reimburse me for postage).
Mfg: Electro-Matic Type: 158 Model: KD-11 Ser. #: EJ821 Volts: AC115/DC115 Watts: 50 Cycles: 50-60 Dimensions: 6.5" W x 7.25"H x 4"D
James