VINTAGE BRASS AND STEEL TRIGGER PULL GAUGE. POSSIBLY USED IN THE MILITARY FOR TESTING THE TRIGGER PULL WEIGHT TO IMPROVE FIREARM PERFORMANCE. NICE CLEAN CONDITION. MARKINGS ARE LP 0-16 13" LONG EXTENDED, 6 1/2" LONG FOLDED. PLEASE TAKE A GOOD LOOK AT THE PHOTOS AS THESE ARE PART OF THE DESCRIPTION. THANKS FOR LOOKING