FUNCTIONS: The small tube clamp controls from fully open to complete closure with fingertips WIDE APPLICATIONS: The clamp is mainly used to clamp the hoses to regulate the or cut off the hoses ADJUSTABLE: These siphon hose shut off clamp can adjust rate of, are easy to use and very : The materials used in all our products are of, lightweight and These tube clamp will definitely meet your needs in the process of use SIZE: Use for thin-walled tubing under 8mm ( 05 / 16 ") O.D, Manufacturer: HDOYTXXM