Model T9100 series is a series of square corner piece to ensure perfect finish to compliment the tile trim profiles T1100 series.
Model T9200 series is a series of round corner pieces for the application to both internal corner and extrenal corner where two or three tile trim profile T1200 series meet together.
Model T9300 series corner piece is designed for both the extenral and internal corner where two or three tile trim T1300 series meet together for a neat and beautiful transition.