The EZ-Aim Hardrock AR500 Target is made of 1/2" thick armor plate steel to withstand the impact from high power hunting rifles. The white powder Coat finish shows bullet impacts. EZ-Aim Hardrock gongs have three connection points: two at the edge for attaching chains or straps and one in the center for gong hook attachment: Dimensions 12" diameter and 3/8" thickness. NOTE: This item is sold by each..1 Target per purchase...3 Targets per case.