HCL'ss Zero Leak Ear clamp (O-Clip) is ideal for rubber and PVC hoses. The steel hose clamp forms a complete circle, removing the possibility of leakage. It is quick and easy to assemble, has a low profile design and is manufactured from corrosion resistant Stainless Steel 304 AISI W4. The Zero leak metal hose clip is also known sometimes as a Pinch clamp or O-Clip.