M10,M12,M16,M20 New Design High quality Indexing plungers with new design Material:Knob Black Technopolymer, Steel ... position indicator, position indicators, indicators, bakelite handle and knob, lobe ball knobs with brass insert ... adjustable handle , zinc alloy adjustable handle ,plastic adjustable handle ,stainless steel adjustable handle ,clamping lever handles,industrial handle, pull handle, ...