0.011″ Thick Steel Thickness Gage, 1/2″ Wide x 12″ Long Blades, Pack of 12, 19400, 19K11
SGD $60.20
Made from 1/2 inch wide, C1095 close grain, high carbon spring steel. Material is ground and polished to precise tolerances. Steel feeler gages are used in most maintenance and tool and die applications.