"Hauls Live-Bait Coolers, Water Containers, Extra Fuel and More!" Travels Safely Inside the Wheels of Your Trailer. Keeps "Spills and Odors Out"! Laser-Cut Steel in An Attractive Textured Finish. Includes “Bolt-On” Receiver, No Drilling! Machined-In “Wobble Stop” and Lockable Pin Eliminate Movement Inside Receiver! Gear and Rack Can Be Double-Locked With Ordinary Bike Cable. Mounting Hardware Included. Kit Includes Bolt-On Receiver, H-5 Extension and Fuel Lock'R. Optional Foot Step Available Below.