It is made of grayish white jade, with translucent material. There are some yellow, black and brown stains on the surface left by permeation. It has a slightly protruding ridge right in its middle part, sharp edges on up and down edges and a needle-like part in interface of the front-end sharp edge and the side edge. A rectangular block are located on both sides near the handle, where crossing rhombic pattern are chiseled.