Allen Co EZ Aim Hardrock AR500 Steel Gong Shooting Target -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 10-inch diameter and 1/2-inch thickness. AR500 Armorplate steel, 1/2-inch thick Designed for Rifles and Handguns White powdercoat finish Designed for chain / strap hanging Designed for hook attachment