Tired of going to the hardware store only to find out you left the bolt or nut at home? Save a trip to the hardware store and quickly check thread sizes. Made of durable zinc plated steel in a convenient 22" wide tool. All the popular thread sizes including course and fine threads. Hi contrast lettering so you can quickly and easily find your thread. Standard SAE Sizes Included: 4-40, 6-32, 8-32, 10-24, 10-32, 12-24, 1/4-20 Coarse, 1/4-28 Fine, 5/16-18 Coarse, 5/16-24 Fine, 3/8-16 Coarse, 3/8-24 Fine, 7/16-14 Coarse, 7/16-20 Fine, 1/2-13 Coarse, 5/8-11 Coarse, 3/4-10 Coarse. Metric Sizes Included: M4-.7 Coarse, M5-.8 Coarse, M6-1.0 Coarse, M7-1.0 Coarse, M8-1.0, M8-1.25, M10-1.0, M10-1.25, M10-1.5, M12-1.75 Coarse, M16-2.0 Coarse Dimensions: 22" wide including brackets x 4.5" Deep x 3" Tall