The pro series gong is a 10 in Dia target that comes with a frame and a chain to fit the Taylor Targets "Pro Series Base". This target can also be used with the "Extension Set" to allow you to raise the height of your target to your liking. Using either of these methods in conjunction with the Pro Series Base provides a solid support for the target. This target is to be used at 100 yd for rifles and 25 yd for handguns. The Pro Series Gong is rated for 0.22 rim fire through big bore rifle.