Introducing the 1.5 in. Double Wire Hose Clamps by POWERTEC. These clamps are designed to provide a quick and secure attachment for your dust hose to your dust collection fittings. Whether you're just starting to assemble your dust collection system or in need of replacement hose clamps - these 1.5 in. wire hose clamps are an essential tool to connecting your piping to your blast gates, dust hoods and fittings. Easy-To-Use: Simply tighten these clamps by turning the screw with a Phillips screwdriver or hex head wrench. Double Effective: They feature a steel spring double loop construction, distinctively designed to deliver an impressively tight grip on suitably sized hoses, securing them in place, while maintaining a consistent pressure. Material: Carbon Steel.