2-1/4 in. x 100 ft. Medium Flexible Corner Bead (Case of 12)You can expertly finish 90 inside corners and intricate off angles, with Strait Flex Medium Drywall Corner Tape. Slightly thinner than Strait Flex Original, Medium resists dents and paint chipping, cuts easily with a scissors or utility knife, is applied with all purpose joint compound and will not rust. Manufactured from Strait Flex's patented composite material, it is extremely strong, will not fuzz up when sanding and is stronger than paper tape.