When used with the Festool OF 1400 Router, the Parallel Edge Guide allows you to rout up against, or perfectly parallel to the material edge, delivering precise dados, flutes, grooves, ploughs, rabbets and profiles. Fine-adjustment control allows you to dial in the distance from the material edge in increments of 1/10mm for ultra-precise routing. Dust extraction hood enables ultra-efficient dust extraction, saving valuable cleanup time. The Edge Guide is constructed from durable cast aluminum, and includes fiber-reinforced plastic thumbscrews for easy adjustment and a long service life. Attaches quickly and easily using integrated thumbscrews and two steel rods included in the router's scope of delivery. Festool 492636 Edge Guide