The 5" Heavy Plastic Test Plug with Metal Bolt and Wing Nut is engineered for effective sealing in plumbing systems. Made from heavy-duty plastic, this test plug offers exceptional durability and resistance to wear. The metal bolt and wing nut facilitate easy installation and removal, ensuring a secure fit. This test plug is perfect for testing drainage systems and is suitable for a variety of plumbing applications. Its robust construction meets industry standards for quality and performance, making it a dependable choice for your plumbing projects.