[In daily life it is convenient for daily emergency cutting paper cutting and unpacking. The total opening length of the key chain blade (including the lanyard) is only 9.5 cm and the blade is 5.5 cm unfolded. It is a good choice for outdoor travel portable knives. Lightweight aluminum alloy handle with zipper. According to carrying preference a detachable zipper is attached to increase the versatility. When in the open state the blade is fixed by an easy-to-operate pad lock.]