Cold Steel Double Agent 1 Serrated Fixed Blade Knife - 39FKS is the serrated version of the dual ring model. The curved surface with dented version can be used for intensive cutting and chopping. It can be easily hidden and carried under the garments. It is ready to accompany you everywhere. The blade is just 3 inches long and provides a firm grip. It come with AUS 8A carved blades fitted with Grivory handle. The configuration of this serrated Double Agent device with curved surface and pointed tip is excellent. The rings also contribute to the safety factor of the users.