.5101-.6350 in/12.96-16.13mm Gage Member- NO/GO (X CLASS LONG LENGTHS)
PREMIUM GRADE X CLASS MEMBER ONLY (Ground to your specified size) CHROME PIN IS A MINUS TOLERANCE Rc 70-72 EACH PIN CAN BE ORDERED UP TO 6 INCHES IN LENGTH 2 MICROINCH FINISH INCLUDES CERTIFICATION OF ACCURACY.