Workshop-made wooden sub-fence, used to provide splinter-free zero clearance support or to extend fence length or height, slides directly into a T-slot along the Track's front face.

Supplied with a Incra Shop Stop, which is expandable to accommodate any fence thickness up to 38mm (1-1/2"). It's vertically adjustable to accommodate any fence height up to 90mm (3-1/2"). It's micro adjustable for 1/1000"(0.025mm) precision. And, of course, it can be instantly set (or reset) to any position with machine shop accuracy and ZERO repeatability error. 

A precision sliding reference scale is included with each Track section. Tracks are available versatile 915mm and 1370mm lengths. Each rigid aluminium Track section also features multiple T-slots, mounting holes, and are compatible with redily available hardware for installation on just about any tool.