DC Speed Control for Delta 31-250, 31-252 & 31-255 Drum Sanders. 

This is a Renovo functional replacement. The original is no longer available from Delta.

The variable speed dial will mount to the existing hole in the Cover.

The Switch 438-01-017-0206 & Switch Cover 406-13-313-0001 are also available.

Wiring Diagrams as shown will be included.