These adjustable pipe clamps feature easy hexes head screw installation, multiple size and resistant for long time durability across temperature variation For sealing fuels lines in car / trucks, securing coolant hoses in heating systems, or organizing industrial fluid transfer pipelines with engineered clamping force Sturdy stainless steel hose clamps designs for 3 / 8inch fuels injections lines, offering rustproof and sealing to fluid leaks in demanding automotive or industrial applications The 30pieces hose clamp assortment set ensures compatibility with various tubing diameters while meeting rigorous standards for vibrations resistance and pressure retention Ideal for mechanics, HVAC technicians, and enthusiasts maintaining fuels systems, refrigeration accessory, or hydraulic / pneumatics equipment requiring secure hose connection, Manufacturer: Oxxggkao