This Italian stiletto knife made in Italy customized by Walt's Flatguard Knives (Latama Cutlery), also known as a switchblade Picklock, also known as a switchblade, opens with the push of the button and closes by simply pulling back on the piece behind the bolsters and pushing the blade closed and is overall open length 9 inches with a 3 7/8" blade and is 4 7/8" closed. It has a hefty 5mm backspring, has the Walt's stylized Cat tang stamp on the blade and has abalone scales and a half grind blade. These are side opening knives. It weighs in at approximately 5.2 ounces. This is a genuine Italian knife made in Maniago, Italy!