ITEM NAME:Stainless Steel 1/2PT Thread duck-bill Automatic Drinker Waterer 5pcs Q3U7 Stainless Steel 1/2PT Thread duck-bill Automatic Drinker Waterer 5pcs Q3U7 Product Name :duck-bill Drinker;Overall Size : 63 x 20mm/2.5" x 0.8" (L*Max.D) Male Thread Dia. : 20mm/1/2PT;Inner Hole Dia. : 6mm/15/64" Material : Stainless Steel;Color : Silver Tone Weight : 391g duck-bill Drinker can dispense a drip of water whenever they are pecked. Used for livestock, such as pig, cow, cattle, horse, hog, piglet, sheep, etc. Package Content : 5 x duck-bill Drinker Note:Light shooting 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..Duck-bill Drinker can dispense a drip of water whenever they are pecked. Male Thread Dia. : 20mm/1/2PT;Inner Hole Dia. : 6mm/15/64".