These tunnel boxes are a great update for your rusted out steel box or as a new build. Use over fuel tanks or battery boxes, Air Dryers ect. Constructed from 3/16" aluminum with more storage options. Featuring a flat top and bottom with 90 degree angle lower outside corners. Stock height is 48" and they are 90" wide. Choose from multilabel different lengths. Other sizes can be made. All boxes are made to order. You can expect a one/four-month completion time. Recommend ordering with shelf kit on all of our tunnel boxes, for better structural stability and more storage options. 

Call 715-743-6799 to arrange pick up or delivery options.

All shipped Tunnel Boxes are Prepay and Add freight with an additional $185.00 crating fee.

Please select length of box in upper right corner.