Brinks 2108-109 Ball Style Keyed Alike Entry Knob and Deadbolt, Antique Brass Brinks durable, all metal construction Ball keyed entry door knob and single cylinder deadbolt combo in antique brass High security, pick, bump and drill resistant and comes with an anti-pry shield; One inch deadbolt has steel anti-saw pin Fits all standard doors 1 3/8 inch to 1 3/4 inch thick Lifetime warranty for defects in material or workmanship Simple to install with only a Phillips screwdriver