uxcell 1/2 BSP Stainless Steel Nipple Drinker 10 Pcs for Pig Horse Drinking Weight: 780g; Main Material: Stainless Steel Package Content: 10 x Pig Nipple Drinker; Product Name: Pig Nipple Drinker Main Color: Silver Tone,Red; Overall Size: 70 x 20mm/2.8" x 0.8"(L*D) Male Thread Dia.: 20mm/1/2 BSP Center Rod Diameter: 8mm/0.3"