Vanguard Claw is recommended for high-producing goats and sheep. Milk flows smoothly through the large oval bowl and vacuum problems are minimized. Vanguard Milking Cluster includes Silicone Liners for goats Plastic Shells 5 ft. of 9/16" ID Clear Milker Tubing and 7 ft. of ¼" ID Black Vacuum Tubing. If milking two goats order two. Order Bucket & Lid Assembly separately.