ITEM NAME:5x New Metal Hog Nipple Waterer Drinker Automatic Sheep Water Pig Drink Goat Description: Material: Metal Easy to install Uses: For pigs, cattle and other animals drinking Connection Size: 1/2'' Quantity: 5 pieces Length: Approx. 67mm/ 2.64inch Outer Diameter: Approx. 21.5mm/ 0.85inch Package Includes: 5 Pieces Pig Automatic Drinkers Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement..5 Pieces Pig Automatic Drinkers. Uses: For pigs, cattle and other animals drinking. Connection Size:1/2". Due to the light and screen setting difference, the item's color may be slightly different from the pictures.