Made of high quality PA66 plastic material and equipped with sealed ring, durable , long lasting and airtight. 6 holes , easy to inflate and to deflate Filter Screen at the bottom prevents the foreign matter getting inside.Comes in three parts : an inside part , an outside part and valve Triangular valve cover with line, beautiful and practical, not easy to lose. Suitable for most inflatable boats , rubber boats , surfboards , kayaks and canoes , dinghy rafts and etc . Specification: Name: Six tooth high pressure intake and exhaust valve Color: gray Material: PA66 plastic Top Diameter : Approx . 60 mm / 2 . 36 inch Color : Gray Package Includes: 1 Piece Inflatable Boat Air Valve Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!