.4061-.5100 in/10.32-12.95mm Gage Member- GO (Z CLASS LONG LENGTHS)
PREMIUM GRADE Z 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 3 INCHES IN LENGTH 2 MICROINCH FINISH INCLUDES CERTIFICATION OF ACCURACY.