The quick release design includes a bolt on a lever pin to allow the user to quickly lock and unlock these clamps without the need of rotating the bolt.
The band of these hose clamps are made of 301 Stainless Steel while the screw is made of 410 stainless steel. They have a working range of 259mm to 356mm or 10-3/16″ to 14″.
Compatible hose size may vary depending on the thickness of the hose. Check the outside diameter of your hose and make sure it is within the working range.
These clamps are priced and sold in a package of 10 clamps.