Rockler 26420 3' Universal T-Track Combination Machine Includes four pieces and mounting

Includes four pieces and mounting hardware - enough to make one intersection

Integral magnet allows easy storage on ferrous metal surfaces

Both sets also include the 1/4” and 3/8” Box Joint Bits

Arbor Size: ⅝″

Four 2 1/4″ T Bolts (5/16″-18 thread) for Stacking without Risers to height of 1 1/2″

Rockler 26420 3' Universal T-Track Combination Machine Includes four pieces and mounting3' Universal T Track Our Universal T track features a unique "stacked" T slot that accepts both 5 16" T bolts and 1 4" T bolts, as well as 1 4" Hex bolts. This means you can use all the hardware and T track accessories from your old jigs in addition to the newer style hardware. The T tracks are available in 2 ft, 3 ft, or 4 ft lengths. T Track Mounting screws not included. We recommend a #6 Flat Head Screw. Features: All T tracks are 3 4" Wide x 3 8"