The 3/8" Threaded Yellow Brass Square Head Plug is a lead-free solution for sealing threaded connections. This high-quality brass construction ensures durability and resistance to corrosion, making it suitable for various plumbing applications. The square head design allows for easy installation and removal, providing a secure fit. Ideal for use in water supply and drainage systems, this plug meets industry standards for safety and performance. Choose this reliable square head plug from Braxton Harris for your plumbing needs.