Material:304 stainless steel, rust-proof, water-proof, corrosion-resistant, strong, durable and long lasting use Package content: 4 PCS 6 Inch + 2 PCS 4 Inch Adjustable 304 Stainless Steel Duct Clamp Widely used: there are 4-inch and 6-inch models, which can better meet your needs in different scenarios, such as pipes, vents, cables and water pipes in automotive, industrial, mechanical, agriculture, boat/marine, household, etc Easy to use:You just need to turn the screw of the hose clamp with a screwdriver to adjust the size, which is suitable for different use scenarios Product features:The adjustable range is larger and the sealing effect is better Quantity: 6 Model: 4 inches and 6 inches Adjustable range: 91mm-141mm and 141-165mm