Folding barrier post. Never again be frustrated by drivers blocking your private parking spaces, driveways, or passages. With this lockable barrier post, you can quickly block these areas by simply folding the post up and locking it. The pressure cylinder lock, which comes with three keys, is securely integrated into the sturdy post. The parking barrier is anthracite in color and features two prominent red signal bands, available in round or square shapes. Note: The barrier post is intended solely for use on private property.