This is a *double wire hose clamp* (also known as a *spring wire hose clamp* or *double loop clamp*), commonly used in irrigation, plumbing, and automotive applications.
Purpose: It secures flexible hoses onto fittings or pipe ends to prevent leaks or disconnection under pressure.
Design: The clamp consists of two metal wire loops and a tightening mechanism made of a bolt and nut. The double loop provides even pressure distribution around the hose