40 Pcs Fuel Line Clamps Spring Band Hose Clamps 1/2" 19Mm, Black

What is this?This fuel pipe clamp has a wide range of uses and is used to tighten and seal interfaces. It is very suitable for automotive fuel lines, water pipes, air hoses, vacuum hoses, gas pipes, silicone hoses, machine tools, fire fighting, various mechanical equipment, etc. What will I get?Surface: Black Zinc PlatingMaterial: 65 Mn Spring SteelInner Diameter: 19 mm/0.75 inchMaximum inner Diameter: 19.4 21.4 mmSize: 27 x 12 mm/1.06 x 0.47 inch(LxW)Thickness: 1 mm/0.04 inchIn the Package of: 40 Pcs x Spring Hose ClampsIs there any advantages of the product?The pipe clamp is made of spring steel 65MN material, which can resist corrosion and rust in most environments and is durable. Spring hose clamps are easy to install and reuse. Beautiful and smooth appearance, 360° inner ring precision design, good sealing, fixed hose and pipe body connection is good.How to use it?You only need to press the clamp lug hard to make the inner ring larger, you can put it into the round tube, and then release it, you can clamp it, and it is more convenient to use with the clamp and can be used repeatedly.What should I notice?Notes: When choosing plastic hose clamp for your hose, please ensure Clip ID < Hose OD(about 1 mm).