36-Inch Aluminum Multi T-Track. Your Universal Solution for Woodworking Excellence. (1) 36 inch multi-t-track for woodworking. Universal design with T-slot tracks spaced 3/4″ apart & 3/4″ thick. Compatible with major accessory fasteners: 1/4” T-bolts, 1/4” Hex bolts, & 5/16” T-bolts. Customizable: Utilize with flip stops, fence-brackets, hold downs, SUB fences, and more. Engineered from quality …