Magswitch Universal Track 18-Inch Set up a fence on any table in seconds. Make your own Jigs, fixtures, stops, fences, zero clearance fences and more! Accepts all standard mounting hardware! One side accepts all standard T bolts and all  hex. The other side accepts all standard T bolds, all 5/16 and Kreg clamps. Includes micro adjustable brackets for fine tuning to 90 degrees Features core advantages of Magswitch including fast, strong set up anywhere on a steel table or cast iron fence. Also comes in 36 length.