POWERTEC 4 in. Key Hose Clamp Stainless Steel 4 in. Thumb Screw Dust Collector Hose Clamps (10-Pack) 70260 - The Home Depot
Cable-Type Remote Flexible Hose Clamp Pliers,24" Bendable Spring Loaded Hose Clamp Plie Use in narrow locations for Car Fuel Oil Water Pipe Repair Tools (Cable-Type Hose Pliers) - Amazon.com