About this item Includes: 2-1/2” Key Type Worm Gear Hose ClampsHose Clamps – Pack of 10 Application: Allows you to secure your ductwork hoses and connect dust collection hoses to dust hoods, connectors, 2.5 inch blast gates, and other dust collection fittings Easy Turn: Hose clamp allows you to simply use the thumb screw clamp to quickly loosen or tighten it without the use of tools Quality: Delivers a heavy duty, leak proof and corrosion resistant hose clamping tool constructed out of premium grade stainless steel Versatility: Can be used indoor and outdoor for a wide assortment of home, automotive, and DIY woodworking applications – such as securing a dryer vent hose, duct work, piping, tubes, large cables and more