This is the Kershaw 7600EBBW Emerson Launch 5 Automatic Knife Earth Brown and the overall open length is 8.25 inches with a blade length of 3.50. The blade material is CPM-154 with a flat grind clip point and is right or left hand carry. It's a push button open with a plunge lock type lock and is tip up carry. It is an Ernest Emerson design and is made in the USA!