WIDE APPLICATION These unique clamps are typically used in securing duct work, dryer vents, dust collection hoses, piping, large cable, pvc tubing and more. Ideal for use in automotive, industrial, mechanical, agriculture, boat/marine, shield, recreational vehicles, household and more. Works for both indoor or outdoor use.FLEXIBLE SIZE4 Inch Key-type Worm Gear Hose clamps are flexible and workable with a rather wide adjustable size range about 91-114mm. Bandwidth is 12.7mm.PACKAGETotal 2pcs 4 Inch Key-type Worm Gear Hose clamps.EASY TO TURN KEYThese clamps have a easy to turn key, which is designed to make it easier to secure and un-secure on the hose. No screw drivers or socket wrench is needed any more! Just simply turn the key clockwise to tighen and counter clockwise to loosen.HIGH QUALITYMade of high quality 304 stainless steel with high performance of corrosion resistance and acid resistance, they are strong and durable, when installing on the pipe, you will no longer worry about them rusting and breaking.