MAHR .4375 XX Master Ring, .4375 XX, Steel, 7/16" without Certification by Mahr ID#: .4375 XX-MHR |MFGID: .4375 XX Your Price: $163.08 Quantity discounts available QuantityPrice Return Policy Add Calibration w/ Certificate? NoNoYes - A2LA Calibration Cylindrical Ring Gage - CL XXX (+ $35.00) Qty -+ Add to Cart Request Info Questions?CallCall Us864.433.9771|Mon-Fri 8-5 EST Share Print Product Info Product Information Description MAHR .4375 XX Master Ring, .4375 XX, Steel, 7/16" without Certification