SpanClamps Quick Accurate Positioner Knob 

SpanClamps Quick Accurate Positioner Knob 
 

Quick Locks for Frequent Changeover
Stud-Knob Receptacles
SCQTQAPS SCQTQAPR
SCQTQAPS0819K SCQTQAPR0819
SCQTQAPS1025K SCQTQAPR1025
   
Mounting Dimension