Simpson Strong-Tie offers a full range of gas- and powder-actuated tools and fasteners designed to maximize jobsite productivity and operator comfort. The PCLDPA is a powder-actuated assembly designed to attach ceiling wires to concrete. The PCLDPA consists of a hardened-steel PDPA pin attached to a 90° clip angle. This ceiling clip is compatible with Simpson Strong-Tie® powder-actuated tool systems as well as other common tools and can be installed with an overhead extension pole.