This is a fully auto leaf spring fired TRICK PEN BLADE from Hubertus cutlery with a razor sharp stainless steel main blade and pen blade. The handle scales are checkered bone dyed black (both sides) with a nickel silver bolster. This double blade pocket auto does not show its auto feature and the auto action is activated by pressing down on the pen blade when it's in the closed position. This action fires the auto blade. 7 1/4" in the open position, 3" 440C blade, 4" in the closed position, weight is 4 1/2 ounces, made in Germany.