... , distance between rollers, gate widths, valves. Or any other equipment controlled by rotary or screw motion.Features:1)Four or five ... )Hollow shaft(inside diameter): Φ14mm, Φ20mm, Φ25mm, Φ30mm6)Color: O=orange, B=black, G=greydigital indicatorSANKQ specialized in manufacturing professional with ... , indexing plunger, universal joints and chains. Mechanical position indicator with Orange color