Constructed for high longevity from real metal, not plated plastic! 304 Stainless steel, with an internal stainless steel spring and glass ball for years of quality performance. The Soap pump's delivery is 2cc and has a thread size of 28/400. The tube size is 9 inch (23 centimeters) and can be cut easily to the desired length. The contents include 2 Stainless Steel Soap Pumps, 2 nine inch (23 centimeters) Tubes, and 2 Collar Rings.