The Fischer MSD122 Self Drill Fix Metal Sleeve 37mm Pack 25 is a high-quality fixing solution for professionals and DIY enthusiasts. These metal sleeves provide a robust and reliable fixing in thin sheet metals, offering high load-bearing capacity. They are designed for easy installation with self-drilling technology, eliminating the need for pre-drilling. The sleeves are 37mm long, making them suitable for various applications. Each pack contains 25 pieces, ensuring you have plenty on hand for your project.