You might also be interested in these screw measuring gauge.
Sealey MGM1 Multi-Gauge - Metric
Sealey
£ 10.28
To the product (11 offers)
9% off
Uadme Thread Checker, 26 Male/Female Gauges (14 Inch & 12 Metric) | Quickly Identify Nut & Bolt Sizes, Imperial & Metric Threads, Portable Design, for Mechanics and DIY
Uadme
£ 18.95
free shipping
To the product (1 offer)
Jodsen Digital Vernier Caliper,150mm 6 Inch Electronic Micrometer Caliper With Large Lcd Screen,Inch/Metric Conversion,24cm Ruler,Precision Depth Gauge Measuring Tool for DIY,Household,Woodworking
Jodsen
£ 5.99
free shipping
To the product (1 offer)
Blue Sky Set of 2 Stainless Steel Drill Gauges Metric & Imperial Gauge 1-13mm 1/16-1/2"
55 Thread Checker, Nut and Bolt Thread Checker Standard and Metric, Bolt Size Finder Bolt and Nut Identifier Gauge with 20 Standard & 16 Metric & 19 Drill Gauges, Bolt Thread Gauge Inch & Metric
52PCS Thread Checker, Nut and Bolt Thread Checker Thread Checker Kit | 28PCS Inch & 24 Metric Box Set Thread Gauge Suitable for Nut Bolt Size Finder on Tricky and Narrow Area Workshop Garage