Electric strike 131FF Product description Electric strikes for fire doors with an exceptionally sturdy design. Model with basic equipment and adjustable FaFix® latch Can also be used as a security electric strike. Overview of Advantages Reliable unlocking under preload Horizontal fitting permitted Sturdy design Note Please refer to the information provided from the Deutsches Institut für Bautechnik (German Institute for Structural Engineering). Contact Us Electric strike 131Electric strike Fail-locked Electric strike 131RRElectric strike Monitoring contact (RR), Fail-locked