This 1-1/2 inch threaded pipe plug is constructed from durable, corrosion-resistant polypropylene, making it ideal for sealing or capping the ends of threaded plumbing lines. The hex-head design allows for easy installation and removal with standard tools, ensuring a tight, reliable fit. Suitable for use in irrigation systems, drainage setups, water lines, and general plumbing applications. Lightweight, rust-proof, and built to withstand long-term use.