Easy to Install:Step 1: Use a hole opener to drill holes in the bucket. : Install tank connectors into the holes (you can apply a little glue on the joint to prevent leakage, glue is not included in the package), and tighten the nuts. Step 3: Wrap PTFE tape around the pig nipple water dispenser to prevent leakage (try to wrap it neatly and thicker to prevent leakage) Step 4: Screw the pig waterer nipples onto the joint and observe if there is any leakage. Pig Nipple Waterer for Kit Size: The stainless steel pig nipple length is 2.4 inches ,0.78 inches in diameter. The water tank connector features a female thread of 1/2 inch and a male thread of 3/4 inch. Automatic Pig Nipple Waterer: When the pig bites the metal rod, water automatically flow out, and when the pig stops biting the water dispenser, the water automatically turn off. In this way let your piglets always have fresh water to drink. Widely Application: The automatic water dispenser system is highly efficient and suitable for livestock, sows, piglets, and goats. Suitable for both small family farms and professional pig farmers, it can meet needs. Color: As Shown Material: Metal+Plastic Package Contents: 5 x pig feeding nozzles 1 x hole opener 2 x rings Only the above package content, other products are not included. Note: Light reflection 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.