Sealey AK28 Metric/Imperial Nut & Bolt Thread Checker

Accurately measures and identifies threads. 14 Imperial (6 to 1/2"") and 14 Metric (M4 to M14) sizes in coarse and fine pitches. Easy-to-read markings make male and female versions of each size easy to identify.

* Designed to accurately measure and identify threads, this tool ensures you select the right fastener every time, whether you are working with fine or coarse threads.

* With 14 Imperial (6/32 to 1/2"") and 14 Metric (M4 to M14) sizes, this thread checker accommodates a wide range of common nut, bolt and screw sizes, making it very versatile.

* Easy-to-read markings, male and female versions of each size are easy to identify.

* Includes length checker on either side of board - one edge is Metric and the other is Imperial.

* Sizes: Imperial; (6-32C to 1/2-20F), Metric; 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, M14-1.5, M14-2.

* Made from a premium alloy giving a long-lasting performance.

* Lightweight and compact, it can be carried to site or stored in a toolbox.

* Model No. AK28