POWERTEC70260 4 Inch Key Hose Clamp, Thumb Screw Key Adjustable Stainless Steel Hose Clamps for Dust Collection, Dust Collector and Dryer Vent Hose, Pipe Clamp, RV Clamp, Worm Gear Clamp, 10 pack

These work like a charm. quick and easy to use.

Great price, easy to use, and unlike some other items on Amazon it actually fits the hose size it claims to.I will continue to buy these as I need more of them.

The thumb turns are a little weak and really close to the band, so it's hard to get your fingers around them. The plastic on the thumb turns is thin, so it will likely break over time.

Work great. They are not ķ to the coil pvc pipe though. They do stay tight.

I would recommend these hose clamps for anyone installing a desk collection system or planning on a professional desk collection system.They hold up very well and yet are easy to remove if you need to expand your desk I would recommend buying an extra bag to keep on hand as your shop needs become become necessary

You don’t need tools! Perfect fit for 4”, and adjust easily. This is worth buying instead of paying $4 a piece in a big box store. I like the look of the blue tab!

First, they work as you would expect. They are sturdy, so I am not worried about breaking them. What sets these apart is the screw mechanism. You don't have to get out your screw driver to put these on or take them off. The screw itself turns easily and very evenly. I have purchase some that use a screw driver and you can feel the resistance when turning because they are not machined well.

These clamps are certainly nice looking and easy to use, but don't compare in strength to regular 4" plumbing hose clamps. Hope they last.

Expensive for what it is, but they work great. The little rubber tips on the handles tend to slip off, so watch for that.

Easy to use and fasten securely.

Very easy to connect / disconnect and very solid. No issues. More expensive than regular clamps but you pay for the convenience. I use it regularly with table saw and dust collector.

Good buy

works