Rapid Holding Systems version D100 3M EDM pneumatic chuck MacroStd is compatible with System 3R and works 3R-600.1-30. It mounts on sinker EDM machine Head, With 3R pallet 54*54mm . Applicable in lathes as well as on machine tables. Suitable for plastic injection mold making industry and on CNC machine center processing EDM electrode for mold industry.