About This PACKAGE INCLUDES- 20pcs horizontal poultry nipples+20pcs rubber gaskets+20pcs wing nuts+1pcs drill bit+a roll of leakproof tape(Length:2m). And Comes with an installation helper as well as an instruction. SIZE: 3/8" thread LEAK-PROOF - The wing nut will securely fasten the chicken water nipple and prevent leaks. Stop the water immediately after drinking. Keep your chicken coop dry. EASY TO INSTALL-Just drill a hole in the side of your container with our provided drill bit and screw the drinker nipple with the installation helper. [Tip: install the poultry watering nipples on a flat surface, the better leakproof is. If you install them on a thick container with considerable curvature, please don't worry, we have a roll of sealing tape to prevent leaks.] Application: automatic nipple that keeps all the water clean and sanitary, the perfect design that chicken learns fast, works for above two weeks chicks. DIY CLEAN POULTRY WATERER-Turn your existing PVC pipe, bucket, etc. into a highly efficient chicken drinking fountain. Overview Color : no Material : Plastic Brand : VandanCoop Capacity : 30 ml/min Power Source : Gravity-Fed