Simpson Strong-Tie 3.5 In. Black Structural Screw, 50 Ct a reliable and durable fastening solution for your construction and structural needs. Designed with strength and longevity in mind, these black structural screws are for securing wood and other materials with ease. The 3.5-inch length provides ample holding power, making them i for a variety of building projects. With a pack of 50 screws, you'll have plenty on hand for multiple tasks, ensuring your work is both efficient and effective. Trust Simpson Strong-Tie for quality fastening products that deliver superior performance and durability.