M8,M10,M12,M16 Carbon steel Indexing plungers with new typeIndex plunger, spring loaded plunger, indexing plunger, - ... plunger to the machine SANKQ specialized in manufacturing professional with woodworking machine accessories more than 10years.such as digital ... indicators, indicators, bakelite handle and knob, lobe ball knobs with brass insert, long knobs,adjustable handle , zinc alloy adjustable ...