48" ALUMINUM T-TRACK WITH TWO FREE KNOBS AND BOLTS by Peachtree Woodworking - PW1019
48" Heavy duty T-Track made of 90% recycled aluminum to help save the environment. The track is 7/8" wide and 5/8" high. Center drilled for easy mounting. The key to our system is a standard 3/8" hex head bolt that slides into the track. No more hunting for hard to find T-bolts or special locking pieces.