The FAAC 3555 Positive Stop is engineered specifically for the FAAC 422 hydraulic swing gate operator, providing a precise and dependable stopping point for enhanced operational safety. Constructed from robust, high-quality materials, this accessory ensures the gate halts exactly at the intended position—protecting both the operator and gate from over-travel damage . Its durable, concealed design withstands frequent use and harsh environmental conditions while remaining easy to install, making it an essential component for maintaining reliable gate operation