You are here: PRODUCTS / Electric Strikes / Standard applications / Model 118®, 128, 138 / Hold-open function 128 Hold-open function 128 The latch bolt controlled locking pin in the centre of the electric strike latch keeps the electric strike unlocked until the door is opened, even after contact has been made. Electric strike 128Electric strike FaFix® adjustment range, Fail-locked, Hol… Electric strike 128EElectric strike FaFix® adjustment range, Fail-locked, Hol…