... =Anticlockwise5)Hollow shaft(inside diameter): Φ25mm, Φ30mm6)Color: O=orange, B=blackDigital position indicator guage dial ... SANKQ specialized in manufacturing professional with woodworking machine accessories more than 10years.such ... with gauge, dial , handwheel , hand wheel with indicators, indexing plunger, universal joints and chains. Position indicator with orange color SK10L ...