Continuous hinges (also called piano hinges) provide support for the entire length of the doors, panels or blocks that are connected together.
They are manufactured in various materials and sizes,
With or without holes, completed or unfinished, it can be cut to specific sizes.
They also vary by knuckle length, pin diameter, blade thickness and opening width.
The knuckle is the tubular part of the hinge through which the pin passes, and the knuckle length is the size of a single part.
The pin goes through the length of the hinge to hold the leaves together.
The blade is the flat metal part of the hinge that extends laterally from the knuckles and rotates around the pin.
The opening width refers to the size from the outer edge of one leaf to the outer edge of the other leaf when the hinge is fully opened.