.5101-.6350 in/12.96-16.13mm Gage Member- GO (ZZ CLASS LONG LENGTHS)
PREMIUM GRADE ZZ CLASS MEMBER ONLY (Ground to your specified size) Tool Steel PIN IS A PLUS TOLERANCE Rc 60-62 EACH PIN CAN BE ORDERED UP TO 6 INCHES IN LENGTH 2 MICROINCH FINISH INCLUDES CERTIFICATION OF ACCURACY.