The Accentra (Formerly Yale) AU448F-BSP Exit Device Lever Trim has an AU lever style with a 3-1/2" projection and is for Passage Function use on standard 1-3/4" (44mm) doors. Accentra AU448F-BSP comes in a BSP Satin Black Suede Powder Coat Finish. Certified ANSI/BHMA A156.3, Grade 1.