This is a New Old Stock A.G.A. Campolin Italian Knife with Snake-wood scales and a Damascus Bayonet Blade. It is a swivel bolster so to close the knife simply push down on the top bolster to release the blade. It's overall open length is 15 inches with a blade length of 7 inches. The cutting edge is 6.50" and closed this beauty is 8 inches. It comes with brass liners and pins and Nickel Silver bolsters. The tang is stamped A.G.A. CAMPOLIN Italy. It weighs in at 13 ounces.