Cold Steel Double Agent 2 - 39FN is also another model of Double Agent series. Double Agent implies the model comes with double ring structure providing the most prominent grip option. Insert index finger in one ring and the little finger in the other and you will be assured tight grip while using the knife. The surface is curved with slight indentions at one end. The blade has a length of 3 inches and is designed with AUS 8A steel variant. Handle is sturdy as it made with Grivory, which is the best handle material in the market.