Positioning Aid AH-ES-ETS/ETSCImprove finish results on edges, quickly and easily, while avoiding tilting or accidentally burning through material Controlled sanding with soft mode to adapt the angle to the work piece or hard mode to keep a fixed angle position Set and hold angles with a tool free adjustment and lock system Rapid abrasive changes with paper change position Ergonomic TPE handle with multiple gripping options for less fatigue and ultimate control Protect sensitive