Commonly used for supporting and adjusting the angle of table tops such as drafting tables and headrests. Ratchets may also be installed at one end to allow for transformation from a bed to a sofa, or can also be fitted on both ends to provide a vertical lift (similar to a hospital bed for back pain). Wherever a tilt-lift is needed, the Rok Ratchet will be your best bet.
The range of motion depends on how close they are to the pivot point, but the maximum operating arc is 112 degrees from horizontal. Also, a hinge must be used at the pivot point (not included). We recommend two butt hinges or a piano hinge.