Mechanical Knob Mortise Lockset Function Institution Lockset Grade 1 MRXK Escutcheon Style Satin Stainless Steel Lockset Finish Keyway Type Schlage SC4 Key Type Different Standards ANSI A156.13 BBA UL 10C Positive Pressure ADA Compliant No Lockset Fire Rating 3 hr Backset 2-3/4 in Ligature Resistant Yes For Use With Wood Steel and Fiberglass Doors Includes Mounting Screws Item Ligature Resistant Lock Key Material Brass Number of Keys 2 Pins 6