The Southwire SW-3/4 is a 1-5/8" square strut washer made from zinc-plated steel, designed for secure fastening in strut applications. This washer provides excellent corrosion resistance, making it ideal for both indoor and outdoor use. Its dimensions ensure compatibility with standard strut channels, allowing for easy installation and reliable performance. The zinc finish not only enhances durability but also meets industry standards for quality and safety. Perfect for electrical and mechanical installations, this strut washer is a must-have for any professional or DIY project.