--\nOur eBay Store\n\nPlease note: This item has a longer lead time for dispatch then normal as it's a non-stocked item that is ordered in, please see the estimated delivery date by eBay. We will of course ship the item sooner if possible.\n\nSealey AK70NBC Thread Checker Nut & Bolt Checker Imperial/Metric\n\nProduct Details\n\nEasily 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. \n\n-- Easily identify nut and bolt sizes in Imperial (14-piece) or Metric (12-piece).\n\n-- Thread checkers on a wire lanyard for quick and precise measuring.\n\n-- Red beads between gauges to indicate the Imperial sizes and Blue to indicate Metric.\n\n-- Convenient loops on each end for hanging.\n\n-- 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\""\;