Firecracker USA Flag Punisher 5" Switchblade OTF Automatic Knife Dagger Serrated. This mini double action OTF Knife features a durable construction aluminum gold finish handle with finger grip on the spine and belly with a dual action opening and closing push button. It comes with a drop point, satin finish, stainless steel blade with a sharp edge and blood groove. Overall 5.25 Inch Blade length of 2"