The static targets are cut to fit a 1/2" carriage bolt to be mounted to a steel post, 2x4 or other structure. The static targets are designed for centerfire handguns up to 45ACP. The Targets are not designed for magnum handgun rounds or centerfire rifle rounds. Handguns should be used no closer than 10 yards..Targets do not ship with mounting hardware.Targets are shipped unpainted.Be sure and take a look at our new static target stands. They provide a solid base to mount a 2x4, targets are easily hung on the 2x4 using the static target hanger kit. Don't forget stands and hangers!