... 10.0mm4)Counting direction: I=Clockwise and E=Anticlockwise5)Hollow shaft(inside diameter): Φ20mm6)Color: O=orange, B=black, G=greyPosition ... , bakelite handle and knob, lobe ball knobs with brass insert, long knobs,adjustable handle , zinc alloy adjustable handle ,plastic adjustable handle ... wheel with indicators, indexing plunger, universal joints and chains. SK09 Long shaft Position indicators