ITW Ramset's 2 in. Ramset-I-F w/Concrete Pins (500 Pack) features a specialty-shaped shaft designed to reduce insertion friction and required driving force, along with a pointed tip that helps penetrate dense insulation materials. The fastener is intended for use with concrete and CMU substrates and accommodates 2-in. insulation thickness. Its large 2-3/8-in. washer provides a broad bearing surface to help resist insulation movement and sagging. With 500 fasteners per box, this system is suited to commercial insulation installation and exterior building-envelope applications.