Our Nip-L-Cup allows the pigs to drink from the nipple or from the cup. Our Model 2000 Wrench Curve Nipple is standard & it's 45 degree angle keeps the pigs standing while drinking. The cup catches the excess water reducing water waste. It also features rounded edges to reduce bacteria & scum from building in corners. Stainless steel bracket, bolts, nuts, washers & 45 degree elbow.