The EZ Aim Hardrock AR500 Target is made of 1/2-inch thick armorplate steel to withstand the impact from high power hunting rifles. The white powdercoat 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 4-inch diameter and 1/2-inch thickness. Features: AR500 Armorplate steel, 1/2-inch thick Designed for Rifles and Handguns White powdercoat finish Designed for chain / strap hanging Designed for hook attachment