OURU Pex Clamps: These pinch clamps include 100pcs 3/8 inch(10.8-13.3mm) pex ear clamps, which are stored in a bottle for easy storage and portability. These pex fitting clamps are designed for use with pex tubing and can be easily installed and disassembly for daily applications Heavy-Duty Stainless Steel: Ouru pex cinch clamps are all made of heavy-duty 304 stainless steel, which is a strong and durable material that will not break during clipping. Even in harsh environmental conditions, still provides excellent corrosion and rust resistance Upgraded Thicker: Don't worry about crimp breakage caused by thin material. Special narrow band design that provides a more concentrated sealing pressure and allows for quick connection of all PEX pipe fittings. Our pex crimp hose clamps also have a high-precision size design,which ensures that you can choose the right size for perfect fastening and a leak-free seal Leak-proof Structure: Our pex clamps are equipped with interlocking rings that make the pipes get a 360° tight seal protection and prevent leakage after clamping. Smooth edge polishing without burrs, they will not cause any damage to the tubing. It can be used for a long time without any issues Applications Introduction: The single ear hose clamps can be used for indoor and outdoor pipes, hoses, tube, oil pipes, pex tubings and any other plumbing system. Perfect for water supply system, water heater, air condition system, pipeline system, hydronic heating, electrical plumbing, automotive, industrial, marine etc.