Has no screw; the assembly is quick, easy, and safe as the ears are simply squeezed. The two ears allow for a better and more constant sealing force, improving the tightening force. This cost-effective solution is a simple alternative to worm thread hose clamps, offering quick and easy installation. It is ideal for confined spaces and suitable for fixing connecting pipes. It can be installed with simple ear clamp pliers and has an extended clamping range compared to the one-ear clamp.