This listing is for one Rotopax screw cap. Please check the dimensions of your cans neck before ordering, we have changed the sizing on the water tanks to match our fuel cans. If you are looking for the older, smaller water screw cap. Please message us and see if we have some in stock. Thank you RotopaX FuelpaX, USA made gas cans with eBay only factory direct pricing! Homepage Sale Items Bundle Offers RotopaX FUEL ONLY Screw Cap Not designed for Gott, Rubbermaid, Kolpin or Blitz cans. NEW RotopaX brand screw cap and ratchet ring. These screw caps will fit RotopaX fuel packs. These are NOT designed for other models, such as Gott, Rubbermaid, Kolpin or Blitz Jerry Cans. These are the screw caps and ratchet rings that are on all RotopaX fuel (excluding Water) packs. This listing is for ONE ratchet ring and 1 screw cap. Please double check your measurements before ordering! Gas cans not included PLEASE REMEMBER TO VENT THE FUEL PACK ONCE PER DAY IF THE ELEVATION OR TEMPERATURE CHANGES SIGNIFICANTLY.Photos showing mounting options and additional packs are for illustrative purposes only. When you order from us, you are ordering straight from the manufacturer. We are the supplier to all of the dealers you see on eBay and on all websites. All of our products are made in the USA, at our factory in Northern Utah. RotopaX are patented in the USA. RotopaX Warranty Return Information All images and text ©2016 RotopaX/FuelpaX-a division of GREAT Outdoor Products LLC. All rights reserved.