• 26-Piece thread checker.• 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.• White beads between gauges to indicate the metric sizes and blue to indicate imperial.• 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, M6-1.0, M7-1.0, M8-1.0, M8-1.25, M10-1.0, M10-1.25, M10-1.5, M12-1.25, M12-1.5, M12-1.75.26-Piece thread checker. Easily identify nut and bolt sizes in Imperial UNC and UNF (14-piece) or Metric (12-piece). Thread checkers on a wire lanyard for quick and precise measuring. White beads between the gauges to indicate the Metric sizes and blue to indicate Imperial. Convenient loops on each end for hanging.Technical Specification:Nett Weight: 0.4kgImperial Sizes UNF/UNC 14pcs: 6-32, 8-32, 10-24, 10-32, 1/4-20, 1/4-28