Mighty Mule Automatic Gate Lock for Single and Dual Swing Gate Openers FM143 - The Home Depot
12v Electric Gate Opener Lock For Swing Gate Opener Linear Actuators Horizontal Mounting Compatible With Mighty Mule Aleko Motor - Electric Door Operator - AliExpress
Automatic Gate Lock (FM143) for Mighty Mule Automatic Gate Openers , Black - Gate Hardware - Amazon.com
GTO FM144 Automatic Gate Lock - North Shore Commercial Door