Build Your Own 8 x 16 Heavy Duty Tandem Axle Utility Trailer For Much Less Then You Thought. Plans, Instructions And Materials List For A 8' X 16' Heavy Duty Tandem Axle Utility Trailer With A 10,000# GVWR. Here Is What You Get: *The Plans, Instructions & Materials List. *A Free File On Insalling The Electric Brakes. *Free List Of Parts Suppliers Extra *Free File On Building Trailer Frames. *A Direct Email Address In Case You Have Any Questions