DoorKing 1602-219 Counterweight Plate - 20 lbs miller-edge and heavy-duty use

and heavy-duty use

310 MHz frequency compatible with all Delta-3 receivers

Compatible with LiftMaster LA400 and LA412 swing gate openers

and 200DC models

DoorKing 1602-219 Counterweight Plate - 20 lbs miller-edge and heavy-duty use20 lb Counterweight Plate for DoorKing Barrier Arm Operators The DoorKing 1602 219 Counterweight Plate is a genuine 20 pound steel counterweight designed to balance barrier arms on compatible DoorKing barrier gate operators. Proper counterbalancing is critical for smooth arm movement, reduced wear on internal components, and reliable long term performance in traffic control and parking applications. This counterweight plate is used as part of the