Simpson Strong-Ties PDPA Powder-Driven Knurled Drive Pins are engineered for quick and efficient installation, enhancing jobsite productivity. The knurled surface of the pins improves grip, offering better holding power compared to smooth fasteners. The PDPA fasteners are compatible with Simpson Strong-Tie powder-actuated tools, as well as other common powder-actuated systems, making them a versatile option for professionals. Whether used in concrete, steel, or CMU, the PDPA drive pins deliver consistent, reliable performance for all types of construction projects.