Adjusting spindle with scale

Control knobs with adjustable spindle GN 727 allow precise adjustment or aligning i. e. of a positive stop. The spindle thread is without backlash. The graduations on the control knob are non-abrasive and well legible, The light gray cover shrouds the fixing components as well as the shaft end. Regarding design, numbering run, numbering position and mubering sequence of the scale please see the layout for scale rings on the order sheet "How to Order Graduations".