Sealey AK72SPG Screw Pitch Gauge Set 30pc UNC-UNF
Model No AK72SPG. Pitch Gauge: 4 4.5, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 34, 36, 38, 40, 48, 60, 62. Folding 30 blade set, individually stamped with accurate thread profiles.