Brinks 4798-109 Bell Style Keyed Alike Entry Knob and Deadbolt (Pack of 2 with 2 Knobs, 2 Deadbolts), Antique Brass Double combination pack, includes two keyed entry Bell knobs and two deadbolts all keyed alike, all metal construction, in polished brass Maximum 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, internal screw guide posts, uses only a Phillips screwdriver