4" Carbon Steel Internal Locking Removable Bollard with Embedment Sleeve

4" Carbon Steel Internal Locking Removable Bollard with Embedment Sleeve Internal Locking Removable Bollards are the most versatile bollards on the market today. The locking mechanism engages below grade, inside the embedment sleeve. Internal Locking Removable Bollards are nearly impossible to remove without the key which is placed waist-high on the bollard for easy access. When the bollard is removed, the locking lid covers the embedment sleeve for a smooth, hazard-free transition from security to access. The heavy-duty lid is robust enough to handle most traffic areas when the bollards are not in use. Many times these bollards are mixed in with our fixed bollards to create a secure perimeter with the added functionality of allowing access. Brand S4 Bollards Material Type 304 Stainless Steel Pipe Diameter 4" Outer Diameter 4.5" Height 36" Wall Thickness 0.237" - Schedule 40 Weight 44 lbs. Color Yellow Top Style Dome/Flat/Slope