The Automatic Gate Lock provides peace of mind and added security for your gate. The GTO FM 144 Automatic Gate Lock is compatible with all single and dual Mighty Mule or GTO swing gate openers, including the FM500, FM502, FM350,, 352, GTO PRO-,2000XL, 2002XL 000, PRO-3200, PRO-4000 PRO4200 and all XL models.
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