GREAT QUALITY: These hex screw are made of 304 stainless steel for rust protection, durability and long service life,with oxidation has good strength of extension and corrosion resistance in many environments. EXPEDIENT TO USE: Convenient to install or remove by using either a slot screwdriver or a hex wrench MEET YOUR NEED: There are 8 kinds of hose clamps in different adjustable diameters that you can choose. SMOOTH: The surfaces are well polished and the edges are also smooth, so they will not scratch or harm hoses SUITABLE FOR: Fit for thin wall hose in small sizes such as air hose, water pipe, fuel hose, silicone hose, etc, Weight: 0.1543235834 pounds, Manufacturer: Hilitand