Features: Made of premium plastic and stainless steel, the drinker nipple is anti-aging, and durable in use. Drinker of screw in type can be attached to water pipe by R1/8 taper thread directly, no other attachment required. High sensitivity of opening and closing, suitable for chicken, duck, goose, bird and all kinds of livestock. With good property of sealing, no leakage when it is static, no more water container needed. Livestock is able to drink anytime, also it helps to reduce your burden of water feeding, and you won't see the mess caused by water bowls any more. Specification: Condition: 100% Brand New Material: Stainless Steel + Plastic Color: Red + Silver Thread Connection: R1/8 Size: approx. 5*1.8cm/1.97*0.71in Weight: approx. 182g / 6.4oz Package List: 20 * Water Nipple Drinkers