Draper 51070 401B 20 Blade 0.4-6mm TPI Screwpitch Gauge Set

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.
Sold loose.