The iron plug cap is a reliable solution for sealing threaded holes in different systems. Its robust design ensures that it can withstand various pressures and conditions. To use, insert the plug into the threaded hole and tighten it with a suitable tool. This plug is ideal for preventing leaks in plumbing systems, engines, and industrial equipment. Features -Color:Silver -Material:Iron -Size:1.20X1.20X0.70cm/0.47X0.47X0.28in -Durable iron material: constructed from durable iron, this plug is designed to withstand demanding environments and provide reliable performance - head design: the hexagonal head design allows for increased leverage when used with a wrench, ensuring a secure and tight fit -Leakproof performance: ensures a tight seal to prevent any leakage of fluids or gases, maintaining the efficiency and safety of the system -Multifunctional: suitable for a wide range of uses including connections, hydraulic systems, and gas lines, offering great versatility -Effortless installation: designed for easy and quick installation without the need for professional tools, saving both Package list: 10pcs plug seal