Aluminum corner tape is two aluminum strips bonded to tough paper, and there is a score in the middle of tapes. This product is easier to use than traditional metal corner bead. This product is in rolls and packaged in boxes, customers cut only the size they need. The aluminum corner tape is mainly for corner reinforcement, and can also be used on archways, curves and is ideal for non 90". The width of aluminum strip:11mm, Roll size:5cmX30m, Packing;each roll in a box,10 boxes in a carton, cartons on pallets.