Classic styling and modern technology seamlessly combine to create the model 4390 Kershaw Double Duty knife. The 2.75 inch clip blade and the 2.625 spey blade are AUS6A steel. They have both traditional nail nicks and thumb studs for one handed opening capability. The most unique feature of the Double Duty knife is the single liner lock that functions to lock both blades into position. A spring loaded release efficiently closes the blades. The polished nickel bolsters and red stamina wood inlays add to the classic appeal of the Double Duty.
Kershaw 4390 Technical Specs: