Schlage Latitude Satin Nickel Passage Hall Closet Door Lever, 4 Pack SmartlockPro Sized for Fit: 24 in Item Weight:3.507 Sized for Fit: 24 in 6 mil Actual Length 12 in Pieces Per Carton 45 Square Footage Per Carton 45 sq ft Actual Width 12 in For Use Over Wood Yes For Use Over Concrete Yes For Use Over Tile No For Use Over Vinyl Yes For Use Over Cork Underlayment No Series Name N A Style Transitional Finish Type Light UNSPSC 30161700 CA Residents: Prop 65 Warning(s) No Frequently Asked Questions (FAQ): Specification Details Finish Satin Nickel Function Passage (non locking) Door Thickness 1 3 8" (35 mm) to 1 3 4" (44 mm) Backset Dual backset fits 2 3 8" (60 mm) or 2 3 4" (70 mm) Applications Residential single and multi family doors ADA Compliant Yes Certifications ANSI BHMA Residential Grade AAA UL Listed Locks for up to three hour fire doors available Warranty Limited Lifetime Mechanical and Finish Warranty Style Series Latitude Lever Hall & Closet Lock Frequently Asked Questions (FAQ): durability