The Columbia 2.5" Combo Flusher is used to embed and feather joint tape into pre-filled internal 90º drywall corners. The Columbia 2.5" Combo flusher is an excellent choice for taping coats on projects with narrow door or window legs. Solid billet machined core provides utmost precision, and body made of surgical stainless steel stays true even with extensive use. Genuine Stainless Steel runners will not rust or corrode like some competitors, allowing for an extremely clean finish. Columbia Tools 2.5 " Combo Corner Flusher features superior locking clip to keep flusher attached and will work with any brand flusher handle. Columbia Taping Tools feature a 5-year warranty against manufacturer defect.