TrafficGuard® removable bollards stand out for a number of reasons, not the least of which is our commitment to inventive, patented locking technology. The key lock line of stainless steel security bollards is a patented (U.S. Patents 7,472,891 & 7,722,285, Canadian Patents 2,623,426 & 2,727,833) barrel key lock system removable bollard. It provides a clean look with a virtually undetectable locking system. The key lock security bollard system is available with heavy traffic ground sleeve / filler piece and lidded ground sleeve options. Both sleeve options provide a flush driving and walking surface when removed.