Long hinge
Monroe Engineering
* Brass and stainless steel pins available by request in all of our aluminum piano hinges.
* All of our aluminum piano hinges (except stop hinges) open a full 270°.
* We deliver custom ordered aluminum piano hinges in 2 to 6 weeks based upon type of customization.
* Monroe PMP recommends keeping aluminum piano hinge lengths a multiple of knuckle length to ensure a freely rotating pin.








