B563B Classroom Deadbolt, Less Small Format Interchangeable Core

Schlage B563B Classroom Deadbolt, SFIC Prep, Less Core, Adjustable 2-3/8" and 2-3/4" Backset ANSI Function E0172: Deadbolt thrown only by key outside; retracted by key outside or thumbturn inside. SFIC (small format interchangeable core) core sold separately 2-3/8" to 2-3/4" Adjustable Backset (1-1/8" x 2-1/4" latch face) Quick, easy installation - Adjustable backset locks into place Anti-pry shield protects latch from attacks Metal dust box provides deep anchoring and added strength Primary or auxiliary locking for commercial buildings High security locking for residential buildings Can be suited with virtually all Schlage levers and knobs