MORE BANG FOR YOUR BUCK – Pack of six heavy duty Gallon pump replacements. Each pump can deliver 30cc (30ml) with a 38/400 thread size. Includes 6 six Inch (15.2 Centimeters) tubes which can be cut easily to your desired length FITS STANDARD GALLON CONTAINERS – Fits most plastic or glass gallon containers with 38/400 thread. For the perfect fit, the mouth of your container must measure 38MM (1.49 Inches) from outer edge to outer edge BUILT TO LAST – Constructed for longevity using BPA free heavy duty plastic and 304 stainless steel spring. EXTREMELY VERSATILE – Works as a paint pump, ketchup pump, shampoo pump, hand pump gallon, condiment pump, milk pump amongst other uses Constructed for high longevity from heavy duty plastic! Equipped with an internal 304 stainless steel spring for years of quality performance. The gallon pump can deliver 30cc, and has a thread size of 38/400. The tube size is 6 inches (15.2 centimeters) and can be cut easily to desired length. The contents include 6 Gallon Pumps and 6 six inch (15.2 centimeters) Tubes.