The CLX3300 Series ANSI/BHMA Grade 1 cylindrical lock is the perfect blend of elegance and strength, designed for high-traffic areas where both aesthetics and security are paramount. Crafted from premium materials for exceptional durability and reliability, it offers a wide range of industry-standard finishes and decorative levers to complement any décor. CORBIN RUSSWIN CLX3380 PASSAGE & BLANK PLATE OVERVIEW ANSI function F111 (Passage & Blank Plate) Non-keyed cylindrical lever lock. Lever on one side, blank plate on other side. Levers always free. For single or double communicating doors. Standard features Door thickness:1-3/4" to 2" doors Backset: 2-3/4" Strike: ANSI curved lip 4-7/8" x 1-1/4" x 1-1/4" lip to center Cylinder: Not applicable Keys: Two nickel silver keys