Solve Spring Needs With This Kit
Wire Diameters: .012" to .024" Coil O.D.'s from .110" to .210" Compression Service Springs - Same outside diameters as in Assortment No. 71, but of softer action. Designed primarily for locks, sporting equipment and the softer acting gun and camera springs. Cut to 12" lengths.
Big Book Catalog, Issue:68, Page:416