All new and universal! AR500-Targets 2×4 Target Hanger is made from all 3/8″ AR500, the same material as the targets. Going right onto a 2×4 that fits into our 2×4 Corner Bracket you can have a complete plate rack going. The AR500 2×4 Corner Bracket is made from 1/4″ AR500 and can use a pipe stand or 2×4 making this the best combo possible as far as options. Have a single target set up or go all out with a full plate rack we just start you with the basics in this package.