135° Paper-Faced Metal Inside Offset Corner Bead, 9 ft. Used for finishing 135 degree inside offset corners. Also referred to as 45 degree inside offset corner bead. Dimensions: A,B,C,D - 5/8 in., 9 ft. long Benefits: Strong impact resistance. Forms superior bond with drywall compound. Creates perfect inside, offset corners. Reduces cracking along edges. Suitable for use on any thickness of drywall. Sheetrock® Paper-Faced Metal Corner Bead Brochure