Strong throughout their entire lengths because each knuckle is a load bearing point.

Strengthening: increases product rigidity by supporting full length of application.

Easier and more precise to align than two or more butt hinges.

Attractive and uniform in appearance.

Smooth in pivotal action, providing optimal axial rotation.

Low-cost and economical, lasting through many swing cycles.

Versatile: many variations and easy to customize to suit individual applications.