Corner finishers are the perfect tool for achieving a professional-grade finish with sharp inside corners that can't be matched by a flusher-style finishing head. These tools significantly speed up the finishing process by simultaneously completing both wall surfaces of the inside corner, improving efficiency compared to hand-finishing. Built with premium quality materials, the corner finisher features a precision-machined billet aluminum body with a color-anodized finish for corrosion resistance and durability. Its stainless steel outer frame is robotically welded, ensuring long-term structural integrity. The corner finisher glides smoothly over the surface of taped corners thanks to rubber-tired wheels, reducing friction and preventing tape movement during the glazing step. Available in four sizes, the most common setup uses a 3” corner finisher for the initial tape glazing coat and a 3.5” finisher for the second fill coat, providing perfectly feathered corners with minimal sanding required.