Iron, triangular, socket bayonet. Overall length of the item is 14.25 inches. Socket meas. approx. 3.50 inches long while the blade meas. approx. 10.25 inches long. Socket has a collar on the edge and a cut mortise for the bayonet lug. The blade is wide at its base and then tapers quickly toward the point. Bayonet has a dark patina throughout and light scattered surface pitting. There appears to be a mark on the blade just forward of the knuckle but it is unreadable.