The 12" steel target is recommended for use as a Steel Challenge target. We also use it to teach basic handgun shooting skills 

We use a water bath precision plasma cutter to cut all of our metal targets. This handgun target mounting hole is designed for a modified 1/2 inch plow bolt.

One mounting option for this target plate is an adapter that bolts to the target and fits over an angle iron stem.

We also have an A-frame with pendulum, that disassembles, without tools,  for transportability.

Other target product information can be found on the 'Handgun Target - Homepage'