399-0181-S Staco Variac Knob
Variac Knob: 171, 201, 201-40, 221, 221-B, 251, 252, 291, and 511
ISE VARIAC
Quality for Over 75 Years.
Not an Inferior, Low Quality, Imported Imitation.
Used on Variac: 171, 201, 201-40, 221, 221-B, 251, 252, 291, and 511.
Knob
For 0.25" Diameter Shaft
Click to contact ISE with questions or models not listed. Custom units are available.