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