The Fischer Cavity Fixing & Screws HM 5x65s 20pk is an essential tool for your construction and home improvement tasks. Specifically designed to provide a secure hold in cavities, these fixing and screws are ideal for plasterboard and aerated concrete. With a quick and simple installation process, the Fischer HM 5x65s ensures a strong anchorage in hollow materials. The pack contains 20 units, providing ample supply for your various projects. Manufactured by Fischer, a renowned brand in the industry, you can expect superior quality and reliability.