Gainsborough Choice Deadbolts offer enhanced security for your home with their durable construction and easy installation process. These deadbolts are designed with a 51mm face hole and a 25.4mm edge hole, ensuring a snug fit and smooth operation. The included template guides you through precise marking for both holes, streamlining the installation process. The deadbolt features a crank hole positioned downwards, adding to its user-friendly design. With its sturdy build and simple installation, Gainsborough Choice Deadbolts provide reliable protection for your home.