Mechanical Lever Cylindrical Lockset Function Classroom Lockset Grade 1 Style Boston Lockset Finish Oil Rubbed Bronze Keyway Type Schlage SC4 Key Type Different Standards A156.2 ANSI F84 UL Listed ADA Compliant No Lockset Fire Rating 3 hr Backset 2 3/4 in Ligature Resistant No Cylinder Core Type Conventional For Use With Wood Steel Doors Handle Material Zinc Item Lever Lockset Key Material Nickel Silver Location Type Commercial Lockset Performance Strength Heavy Duty