Draper Tools 20 Blade Screwpitch Gauge Set, 0.4 – 6Mm Screwpitch Gauges

Folding Leaves, Individually Stamped With Accurately Formed Thread Profiles. 20 Blades Ranging From 0.4, 0.45, 0.5, 0.6, 0.7, 0.75, 0.8, 1.0, 1.25, 1.5, 1.75, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0Mm.