... , distance between rollers, gate widths, valves. Or any other equipment controlled by rotary or screw motion.Features ... E=Anticlockwise5)Hollow shaft(inside diameter): Φ25mm, Φ30mm6)Color: O=orange, B=blackDigital position indicator guage dial ... handwheel with gauge, dial , handwheel , hand wheel with indicators, indexing plunger, universal joints and chains. Position indicator with orange color SK10L