Specialized hinge structure for heavyweight doors.
3D adjusters come in various sizes to fit frames of all kinds.
You can effortlessly adjust both the position of door and hinge via adjuster in all dimensions.
K51L-3D Waterson Lever – Installation support for installation of heavy door
Waterson hinge helper
Special lever design keeps heavy door straight up safely and save the energy-draining process of door-lifting during installation.
Highly durable and simply dependable.