The new IDPA Harmonic Target is the ultimate handgun training target. By combining the durability of a steel target, with the precision scoring of a paper target, this revolutionary design is ideal for competition and defensive handgun training. The overall size of the steel matches a standard IDPA target with the ""-3"" zone removed. The outer plate is laser cut from 3/8"" thick AR500 steel and is rigid mounted to our 2x4 post sleeve. The inner plate is laser cut from 1/4"" thick AR500 steel and includes integrated tuning forks that are concealed behind the front plate. The inner, Harmonic Plate, is mounted using indust Mfg: Challenge Targets