Marantz Volume Control p/n RM0254021 Models 1060, 2220, 2230, 2245, 2270 and possibly others. Original Marantz part. Works great. No dead spots. No scratchiness or static. Dual 250K audio taper, with Loudness tap Used parts as-is. Just removed from working unit I’m going to part out. What you see in the pics is exactly what you’ll receive. Includes the mounting nut and washer as shown. Buyer responsible for compatibility for their own use. Thank you!