Edge sends signal to stop and/or reverse operation when sensing obstructions

This is a galvanized steel 6" Square PS Caps

posts and gate information

Pad-lockable

This is Chain Link-Knuckle Twist 7' x 2" x 9 ga Commercial

In-Ground Manual Swing Barrier Receiver Post CAP Accessory Edge sends signal to stopExtremely effective and economical for unmanned traffic control. Secure the gate and prevent sagging of the barrier arm. Galvanized pipe for durability. Gate Safety and Security Post Safety Fits LiftMaster In Ground Swing Barrier Units. Required for use with LiftMaster Swing Barriers; recommended (2) for use with single arm gate to secure gate in open and close position, recommend (2) with dual gate arm to secure each gate in the open positions Safety