This is the Rainy Vallotton Custom Hidden Release Automatic Knife with a G-10 handle and a Part Serrated blade. It is a dual action automatic knife with a hidden release and has thumb studs for manual operation featuring a 3 1/2 inch spear Satin Stainless Steel Blade Blade. Overall open length is 8 1/2 inches. Closed it is 4 3/4 inches and has a titanium handle weighing in at 6.20 ounces. It comes with a removable pocket clip. Super heavy duty. A great custom knife to add to your Vallotton custom collection or a great user knife that will hold up for years to come!