The EZ Aim Fence Topper Gong Hook and Recoil Spring Combo makes for a quick and easy setup for most gong target scenarios. The Fence Topper Gong Hook easily attaches to the top of most steel fence posts to allow the user to setup their station anywhere they choose.Skip to the end of the images gallerySkip to the beginning of the images galleryThe EZ Aim Fence Topper Gong Hook and Recoil Spring Combo makes for a quick and easy setup for most gong target scenarios. The Fence Topper Gong Hook easily attaches to the top of most steel fence posts to allow the user to setup their station anywhere.