Steelsoft 4 inch Hose Clamps Stainless Steel Dust Collector Hose Clamp Dryer Vent Clamp Worm Gear Hose Clamp 4 inch Duct Clamp Heavy Duty 3-4 1 2 Diameter Adjustable Easy Turn Knob 4 Pack

Steelsoft 4 inch duct clamps hose clamps are made of all 304 stainless steel with adjustable diameter 3 inch to 4 1/2 inch. The 304 metal knob is stronger than plastic which will get brittle with age. We call key hose clamps. ??Features? 1. Metal twist knob is stronger, durable and safer for your hand operation. You will not worry about knob broke off. The clamp will be tighter because of metal knob's strength support. 2. All 304 stainless steel material will make your hose clamp can be weather resistant, especially outdoor and areas coastal. 3. Easy Twist by hand instead of a screwdriver, save your time! 4. Perfect for your dryer vent hose, dust collection system, RV sewer, HVAC ductwork etc by this hose clamps 3 inch to 4 inch. ??Specifications? 1. Material: All 304 stainless steel 2. Clamp diameter adjustable: from 3 inch to 4 1/2 inch 3. Net weight: 1.06 oz 4. Band width: 0.47 inch 5. Band thickness: 0.027 inch 6. Knob max. width: 0.852 inch(smaller, so not easy to touch the band when twist) 7. Quantity: 4 Pack 8. Packaging: PP bag