diamond sofa 2-door 5 shelf bookcase with tempered glass door front and key lock entry diamond sofa these new nova qwik metal storage bookcase by diamond sofa offer storage and security and in a contemporary design with a dark grey front and off white contrasting trim. premium powder coated paint process provides a durable, attractive and scratch resistant finish. key lock entry for added security on the tempered glass front doors. three adjustable interior shelves provides ample storage. with the nova qwik engineering, assembly is a snap and you'll find the ideal solution to your storage needs in your office, home, school or institution.