Our Spouts are offered in two different sizes and lengths. *3/4 Inch Outside Diameter Spout 12" Long (Will fit inside the filler neck on all Gasoline Automobiles) *1 Inch Outside Diameter Spout 12" Long (Use for Diesel Automobiles, Powersports, Equipment, Etc.) *3/4 Inch Outside Diameter Spout 18" Long *1 Inch Outside Diameter Spout 18" Long - SPOUT ONLY This listing does not include fuel can -This product is a PVC fuel spout designed for and compatible with the plastic Scepter 5 Gallon Military fuel/Jerry cans like the one pictured in our photos. -You can see the spout in action at this YouTube link https://youtu.be/-oKWVyvZOpQ - These are Multi-Fuel Spouts and will safely pour any fuel including, diesel, gasoline, kerosene, etc. -The spouts thread in easy and pour out fast. Please note that Scepter fuel cans have an internal fuel vent. If the fuel can is over-filled or tipped too far up when full, fuel will spill out of the vent hole. When pouring fuel, be careful not to overfill your fuel can or tip it upside down when full. If you have any questions, please don't hesitate to ask. We are here to help. Your satisfaction is our #1 goal. We are proud to be a Veteran owned small business and we hand make each of these spouts in our shop in Arkansas.