1-800-BOLLARDS . The locking mechanism engages below grade, inside the embedment sleeve. Internal-locking removable bollards are nearly impossible to remove without the Camlock key which is placed waist high on the bollard for easy access.
Internal-locking removable bollards are manufactured from carbon steel and are available in 200+ powder coat colors, or manufactured from Type 304 stainless steel or, for harsher environments, from Type 316 stainless steel, and the stainless steel is polished to a #4 finish for long-lasting durability.