MaxxMacro 3R Pallet 54 Stainless Cast Unplated MaxxMacro 54 MX-0023M-1 Stainless Cast 3R Pallet No Plating is 100% cross compatible with System 3R Macro Pallets. Repetition accuracy: – within 0.003 mm Material: Stainless Steel 420, 40-44HRC CAST Mounted directly on the bottom of Electrode holders for generating the high accuracy center 100% cross compatible with System 3R Macro Tooling Systems 3R-651.7E-XS