You are here: PRODUCTS / Electric Strikes / Standard applications / Model 118®, 128, 138 / Fail-unlocked 138 / Electric strike 13805 Electric strike 13805 Product description Model with bipolar protective diode. Overview of Advantages Radius keeper, FaFix®, adjustable by 3 mm Compatible with current mortise locks Compatible with available striking plates Symmetrical design. DIN left/right as well as horizontal applicable Electric strike 138Electric strike FaFix® adjustment range, Fail-unlocked Electric strike 138RRElectric strike FaFix® adjustment range, Monitoring conta…