Accentra (Formerly Yale) BMO4605LN613E Storeroom Door Lock - Grade 2, MO Lever, SFIC, 613E Dark Oxidized Satin Bronze
The BMO4605LN 613E is a grade 2 cylindrical lock 2 1/8" bore, and a 2 3/4" backset. The B stands for SFIC Small Format Interchangeable Core less cylinder. 05 is a Storeroom Function which means you always need the key to get back in but can get out from the inside. Mo stands for the Monroe Lever. The finish is a 613e Dark Oxidized Satin Bronze Finish Technical Specifications