X-Acto
Extra Fine Saw Blade

Walthers Part # 790-239, p. 871 Walthers 2012 HO Scale Reference
A scale, $4.19, currently in stock at Walthers

 
For delicate sawing work in confined space, cutting circuit boards, model construction, shaping balsa wood, cutting fiberglass, plastic, metals, railroad tracks. Cutting edge 5-1/2" long, 1-1/4" deep.