4 1/2″ blade of 1/4″ stock. The top cutting edge is sharpened approximately 2 1/2″. The top edge is for heavy-duty cutting. Top of blade in front of hilt notched for thumb placement. Brass single hilt. Approximately 4 1/2″- 4 5/8″ leather handle. Duralumin butt cap. A variation of the Model #19, serving the same purposes. Developed because of popular demand for a knife with these characteristics.