Features: brand new and high quality Design: Automatic nipple that keeps all the water clean and sanitary, perfect design that chicken learn fast, working for chicks, ducks, quails, hens, even your birds and so on. Easy Installation: Go into bucket very easily, threads not necessarily insert into thicker rigid plastic, but thinner flexible plastic containers also work, and easy enough to fix. Lasting Material: Made of durable plastic and metal, no leaking, building a long lasting watering system for your chickens. Size: About 1.25" in width,1.25" in height, 0.59" thread. Pack of 6 and 12 to choose. Water Saving: The nipples prevent chicken flick dirt and bedding into water containers you have, keeping clean water in the waterer, means less for time and energy on changing water, this is your perfect watering solution Package Includes: 1 Set Chicken Drinking Nipples (6Pcs Set/12Pcs Set) Specifications: Material: Plastic Color: Red Style: 6Pcs Set/12Pcs Set Size (Approx.): Total-1.25x1.25in Thread Part-0.39x0.59in Weight (Approx.): 12Pcs-130g 6Pcs-70g note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you