Substiture the pin lock for the clevis pin at the frontmounting point of the Mighty Mule swing gate openers to help prevent theft ofthe opener arm and unauthorized visitors from manually opening the gate. Alsoused to secure the quick chain release on the Mighty Mule slide gate opener toprevent unwanted manual access. From the Manufacturer The FM133 Pin Lock helpsprovide security and peace of mind by preventing a gate opener arm from beingremoved or stolen and allowing unwanted access to the property. The Pin Locksubstitutes for the clevis pin at the front end mount of all models ofGTO/Mighty Mule swing gate openers, and it does not allow the clevis pin to beremoved from the gate without a key to the lock. The pin lock comes with twokeys that will allow quick release of the opener when needed.
