The ligature-resistant MARKS USA® LifeSaver™ mortise knob and lever set is ideal for institutional, educational, and healthcare applications. Keyed double cylinder with deadbolt is designed for storeroom doors. Solid stainless steel interior and exterior tapered lever is recessed into thru-bolted roses. Adjustable bevel steel backplate and cover plate with tamperproof screws. Antifriction latch lever. Zinc dichromate finish. Includes 2 keys per lock. Grade 1.