Cam Can(R) Holds 2 Gallons of Coolant, Oil or Any Non-Flammable Liquid. Comes complete with an Easy Pour, Non Flammable Liquid Spout and Cap Assembly. Designed to Fit easily on your Spare Tire Carrier or Flat Surface. Cam Can(R) mounting System fits the following bolt patterns: 5 x 4 1/2, 5x5, 5 x5 1/2 and 6 x 5 ½. Built-In Handles Make Cam Cans(R) Easy to Grip and Easy to Pour. Interlocking Cams & Double Shaft allow you to Double Stack Cam Cans(R). Lockable Center Shaft for Security and Anti Theft. Rugged and Durable Material Designed for Off Road Use. Go Everywhere Warranty. Made in the USA