Schlage Flair Satin Nickel Entry Lever, ANSI Grade 2, KA4, for 1 3 4 in Doors 18 Gauge Wire The tiles use a hidden Matte Black Lantern The tiles use a hidden interlocking system and are not groutable or self adhesive Material Steel Finish Zinc Plated Head Style Round Neck Square neck Thread Type Coarse (SAE) Grade 2 Pack Quantity 25 pk Packaging Type Boxed Product Type Carriage Bolt Model Number 123CBZ Frequently Asked Questions (FAQ): Durability and Finish Door Thickness 1 3 8 in (35 mm) to 1 3 4 in (44 mm) Backset Adjusts to 2 3 8 in (60 mm) or 2 3 4 in (70 mm) Keyway 5 pin tumbler C keyway standard ADA Compliant No UL Listed Locks for up to three hour fire doors available Warranty Limited Lifetime Mechanical and Finish Warranty Applications Residential single and multi family doors Included Keys 2 Frequently Asked Questions (FAQ): refined style