Hager 2570 2-3/4 in. US26D Backset Classroom Door Lever 

Certified to ANSI/BHMA Standard A156.2. Recommended for commercial applications for barrier-free access. When used as a replacement lock only a screwdriver is needed. Non-handed levers meet California Fire Code requirements for maximum 1/2 in. door-to-handle spacing. Independent lever return springs prevent lever sag. Patented Pull-and-Click mechanism allowing quick door thickness adjustments. Door thickness ranges from 1-3/8 in. to 2-1/4 in., 1 of the largest in the industry.

• Finish: US26D dull chrome
• Function: classroom
• Feature: clutched
• Handle shape: lever
• Backset: 2-3/4 in. standard
• Latch faceplate: 1-1/8 in. x 2-1/4 in.
• ASA strike
• Keyway: SC4
• Door thickness: 1-3/8 in. to 2-1/4 in. (35 mm to 57 mm)
• UL fire rating: 3-hours
• ANSI grade 1