Retractable Yellow Steel Bollard - 4" x 36" Drop-Down Security Post

Retractable Yellow Steel Bollard - 4" x 36" Manual Drop-Down Manual Drop-Down Security Post with Reflective Strip Block traffic when you need to. Let it through when you don't. This 4" retractable bollard drops flat into an in-ground sleeve for vehicle access, then locks upright for full perimeter security. Q235 carbon steel post with safety yellow powder coat. SS304 stainless steel sleeve protects the mechanism underground. Standing 36 inches above grade when locked, the bollard retracts fully into its 42" deep in-ground sleeve when access is needed. Safety yellow finish and integrated reflective strip keep it visible day and night. Key Features Manual drop-down operation. No power, no hydraulics, no maintenance 4" carbon steel post. Strong impact resistance at a lower price point SS304 stainless sleeve. Underground housing won't corrode Reflective strip included. Visible at night without additional lighting Safety yellow powder coat. High visibility for traffic control zones Performance Benefits Controlled access. Let authorized vehicles through, then lock it back Impact resistant when upright. Same protection as a fixed bollard Built for frequent use. Opens and locks hundreds of times Low maintenance. Touch up the powder coat if it chips. Sleeve stays protected Ideal for: Loading docks. Gated lots. Anywhere you need high-visibility security that gets out of the way for authorized vehicles. No Tariffs. No Surprises. - This bollard is stocked in the U.S. with no added import tariffs or hidden fees. The price you see is the price you pay - stable, transparent, and ready to ship. Specifications Part Number BMRCSY436 Diameter 4" Above Ground Height 36" Total Depth 42.5" Material Q235 Carbon Steel Sleeve Material SS304 Stainless Steel Finish Safety Yellow Powder Coat with Reflective Strip Reflective Strip Yes