The Razor sharp Rick Hinderer Gen 4 XM-18 folding knife is a great heavy use tactical knife that features a stainless S35-VN steel blade in a stone wash finish. The 3 1/2-inch Wharncliffe blade on the Hinderer XM-18 model has a textured OD green G-10, stonewashed titanium handle. Hinderer Gen 4 XM-18 handles include a lanyard hole, dual thumb studs and a flipper for easy right- and left-hand operation, with the flipper also serving as an index finger guard when in the open position. XM-18 knives can be securely gripped thanks to the filed thumb rest on the handle and spine. When you own a Rick Hinderer knife you can be assured of possessing a very capable device.