Bulldog Deadbolts provide excellent value. This Commercial Grade 2 Security Single Cylinder Deadbolt is manufactured to the highest standards using the finest materials available. It is time tested to meet the toughest national building codes for new construction. The Commercial Grade 2 Security Single Cylinder Deadbolt features solid brass cylinders, round corner adjustable latches that fit most doors, a full 1” throw deadbolt, an ADA turn piece, and rich finish. This deadbolt is standard replacement for most residential and commercial construction and meets ANSI/BHMA Grade-2.