POWERTEC Hose Clamps allow you to connect hoses to dust hoods, blast gates, connectors and other fittings, thus creating a solid and high-performing dust collection system. These convenient accessories require no tools, and are quick and easy to install and uninstall. Bridge design allows force to go straight into the hose and easily position on the hose for strong seal and connection. Sturdy stainless steel construction means they are built to last. Key mechanism insures an airtight and reliable fastening. You can rest easy as your dust collection system works at maximum efficiency with these handy, versatile and dependable clamps.