Easily identify nut and bolt sizes in Metric and Imperial. Thread checkers on a wire lanyard for quick and precise measuring. Red beads between gauges to indicate the Imperial sizes and Blue to indicate Metric. Convenient loops on each end for hanging. * Easily identify nut and bolt sizes in Imperial (14-piece) or Metric (12-piece). * Thread checkers on a wire lanyard for quick and precise measuring. * Red beads between gauges to indicate the Imperial sizes and Blue to indicate Metric. * Convenient loops on each end for hanging. * Imperial Sizes UNC/UNF: 6-32, 8-32, 10-24, 10-32, 1/4""-20, 1/4""-28, 5/16""-18, 5/16""-24, 3/8""-16, 3/8""-24, 7/16""-14, 7/16""-20, 1/2""-13, 1/2""-20. * Metric Sizes: M4-0.7, M5-0.8, M6-1, M7-1, M8-1, M8-1.25, M10-1, M10-1.25, M10-1.5, M12-1.25, M12-1.5, M12-1.75. * Model No. AK70NBC https://elecena.pl/product/27196732/sealey-ak70nbc-thread-checker-nut-bolt-checker-imperial-metric 2024-11-09 https://elecena.pl/product/27196732/sealey-ak70nbc-thread-checker-nut-bolt-checker-imperial-metric 2025-02-18 https://elecena.pl/product/27196732/sealey-ak70nbc-thread-checker-nut-bolt-checker-imperial-metric 2025-04-16 https://elecena.pl/product/27196732/sealey-ak70nbc-thread-checker-nut-bolt-checker-imperial-metric 2025-05-18 https://elecena.pl/product/27196732/sealey-ak70nbc-thread-checker-nut-bolt-checker-imperial-metric 2025-06-24 https://elecena.pl/product/27196732/sealey-ak70nbc-thread-checker-nut-bolt-checker-imperial-metric 2025-10-04 https://elecena.pl/product/27196732/sealey-ak70nbc-thread-checker-nut-bolt-checker-imperial-metric 2026-06-11 https://elecena.pl/product/27196732/sealey-ak70nbc-thread-checker-nut-bolt-checker-imperial-metric 2026-07-04