MaxxMacro 70 Stainless Control Rod Master Checking Pin comes fully assembled and ready to use. This product is 100% cross-compatible with the System 3R Macro OEM system. Check mandrel with ground C-reference for setting MaxxMacro chucks. MaxxDesign Exclusive Features: Includes MaxxMacro 70 Performance Pallet Repetition accuracy 0.002mm Product Information: The MaxxMacro 70 Stainless Control Rod Master Checking Pin is a precision reference tool engineered for 100% cross compatibility with System 3R, specifically matching the 3R-606 control rod. Featuring a ground C-reference for accurate mandrel checking and chuck setup, this master ensures reliable alignment for Macro-compatible systems. It offers a repetition accuracy within 0.001 mm and includes a MaxxMacro 70 Performance Pallet, mounted and ground on center. With a larger footprint than the standard 3R-606 version, it provides enhanced stability during setup. All MaxxMacro masters and gauges come with a Quality Certificate of calibration for traceability and confidence.