31 Blades. 1 Brass Blade .010". Precision blades ensure accurate measurements. Blades from .0015" to .035" (.038 - .889mm) thickness are approximately 1/2" wide by 3 1/2" long. Inches mm .0015 .038 .002 .051 .0025 .064 .003 .076 .004 .102 .005 .127 .006 .152 .007 .178 .008 .203 .009 .229 .010 .254 .011 .279 .012 .305 .013 .330 .014 .356 .015 .381 .016 .406 .017 .432 .018 .457 .019 .483 .020 .508 .021 .533 .022 .559 .023 .584 .024 .610 .025 .635 .026 .660 .028 .711 .030 .762 .032 .813 .035 .889.
