A Blackie Collins Design. This automatic knife is designed to be very this and light weight, designed for Meyerco by Blackie Collins, the Thin Blue Line is and automatic knife that has an overall open length of 7 1/2 inches with a blade length of 3.20 inches. The blade material is ATS-34 with a drop point blade. Closed, the handle length is 4.30 inches and is only .32 inches thick, made of aluminum. Total weight of this great knife is only 2.40 oz. It comes with a pocket clip designed for either Right or Left hand Tip-up carry. Made in the USA.