Hand honed and fitted for the ultimate in crisp, clean trigger pull. Adjusts for weight of pull (11⁄2 - 4 lb.), creep and overtravel. Lock nuts hold settings. Featherweight (FW) features the same adjustments and hand fitting as the Deluxe but no safety.
Big Book Catalog, Issue:73, Page:169
Sinclair, Issue:5B, Page:257