The Dr. Jig is manufactured to be rugged and functional. Basic Bracket Package includes 6 Angle Brackets, 6 Small Bridge Brackets, 6 Riser plates, and 16 spacers. Optional accessories are available for you to customize your Dr. Jig to your specific needs. The dual rail design creates a T-Slot which allows accessories to be easily added or removed on a whim. Dimensions: 5' x 12' Dr. Jig's shipping weight: 806 lbs.