This is a 25rd box of 9mm Hornady Vector Tracers made in 1995. Instead of phosphorous they have a zirconium wire embedded in the core and glow white. They were discontinued in the late 90s. Very hard to find. There is a ammunition collectors site selling them for $5 each plus shipping making 25 cost $146. Mine are in the original box. If interested text 832 795 7614