EDM Chucks Chuck Size: 300mm x 102mm x 108.5mm System Compatibility: System 3R; Macro Rapid Holding Systems EDM Chucks; Chuck Size: 300mm x 102mm x 108.5mm ; System Compatibility: System 3R; Macro ; Actuation Type: Pneumatic ; Material: Stainless Steel ; CNC Base: Yes ; EDM Base: No