Hand Tools
44 Male/Female Bolt Size and Thread Gauge, Nut and Bolt Thread Checker Box (23 Inch & 21 Metric) Bolt and Nut Gauges for Recognizing Size on Tricky and Narrow Area
Package Content: You will receive a 44 nut and bolt thread checker with 23 inch & 21 metric, including M3x0.5, M4x0.7, M5x0.8, M6x1.0, M7x1.0, M8x1.0, M8x1.25, M10x1.0, M10x1.25, M10x1.5, M12x1.25, M12x1.5, M12x1.75, M14x1.5, M14x2.0, M16x1.5,...
https://www.bizrate.co.uk/handtools/44-male-female-bolt-size-and-oid28410464670.html