Liftmaster LA412 / LA412DC / LA412DCS Replacement Arm Only - Swing Gate Opener
Liftmaster LA412 Primary Unit or LA412DCS Secondary Unit - Arm Only. SMOOTH START/STOP OPERATION AND MID-TRAVEL REVERSAL EXTEND HARDWARE LIFE OF THE GATE AND OPERATOR. GATE TRAVEL SPEED Opens 90° in 15–17 Seconds.