... LED Letter sign LED Channel Letter Arrow and "J" Shape 3/4" for J shape and 1", 1.5", 2", 3" and 4" for Arrow LED ... Letter sign, Trim cap for Channel Letter Trim Cap-plastic-aluminum ... and improving the level signage making.Different shapre are available: Arrow and "J" ShapeDifferent colors are available: White, yellow, ... and 1", 1.5", 2", 3" and 4". LED Letter sign