2-1/4 in. x 100 ft. L-Bead Composite L-TrimL Bead performs like conventional L Bead, but in roll form. L Bead is produced for drywall thickness of 3 8 in., 1 2 in. (standard), 5 8 in., and 3 4 in. state size when ordering. Ideal for window returns, sky lights and wall edges. Manufactured from Strait Flex's patented composite material, it is extremely strong and will not fuzz up when sanding. To apply, measure and cut to desired length, then fold in half with the printed sides facing each