The new Powers Safe-T+ Pin is a one piece, all steel, nail drive anchor that can be used in concrete, block, brick or stone. Each box of Safe-T+ Pin comes with a 6MM SDS carbide drill bit for ease of installation. Typical applications include HVAC Duct Straps, light to medium duty signage, and termination bar, flooring ECT. Available in 1" diameter and 2 lengths. Just drill a hole and hammer it in.