Diagram
The-Proxi-Mill
A. Collet (Nut) used to hold bur in place
B. Attachment Body: clamps both motor and surveyor spindle.
C. Motor Spindle Lock: used when tightening or loosening collet.
D. Motor On/Off; Speed Control.
E. Surveyor Spindle.
F. Surveyor Spindle Lock. (Thumbscrew).
G. Attachment Body Locking Lever.
Link for on-line Operating Instructions