Description – 3” key tensioner-style stainless steel band. – Half-inch wide #304 stainless-steel band fits hoses from 3” diameter up to 3 5/8”. – Key-style screw mechanism allows for one hand tightening of hoses in confined spacesfor a leak-proof seal. – The oversized 100% steel tightening key is superior to color plastic keys that can break under stress and the heat typical of clothes dryer vent applications. – Pack of 8. Clamps should be doubled up on both ends of the hose. One with the key/screw on the left, and one on the right. This ensures uniform tension and a tight connection in applications where heat and vibration are present. Product Details Tech Team’s #727 – 3” diameter thumb key tensioner-style stainless steel band clamps are half-inch wide #304 stainless-steel and fit hoses from 3” diameter up to 3 5/8”.the key driven screw mechanism allows for one hand tightening of hoses in confined spaces for a leak-proof seal.The oversized 100% steel tightening key is superior to color plastic keys that can break under stress and the heat typical of clothes dryer vent applications. Pack of 8. Product Video
