Ideally suited for rabbits, ferrets, chinchillas or any other small animal that can be used in a variety of wire cages.No spills and soak to ensure that rabbits can get clean, fresh water.It's easy to use, just connect it to a hose line and hang it on a rabbit cage, saving you both effort and time.With a small spring that holds the nipple on the wire.Built-in cage clip on the side.Including automatic water supply + T tube + spring.Built-in adjustable valve, use 5mm Hex wrench to adjust.drinker size: approx. 37 mm x 29 mmMaterial: MetalColor: red, silverPackage Contents:10 * automatic water supply10 * spring10 * T tubeOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.