... E=Anticlockwise5)Hollow shaft(inside diameter): Φ14mm, Φ20mm, Φ25mm, Φ30mm6)Color: O=orange, B=black, G=greyDigital Position indicator SANKQ specialized ... professional with woodworking machine accessories more than 10years,such as digital position indicator, position indicators, indicators, bakelite handle and knob, lobe ... joints and chains. position indicator with good quality SK04 Black color