The 3.5" CanAm Roller Runner Corner Finisher is great for finishing all ninety degree angles, helping you create a perfect finish. Designed to wipe, feather, and finish both sides of an inside 90° corner in a single pass, with little need for cleanup or sanding. CanAm Tool’s hardened stainless steel wiping blades with feathering tabs, and beautifully anodized runners with integral stainless bearings to ensure a fast, uniform finish every time. The lightweight aluminum body connects effortlessly to most Flusher Handles.