"The removable bollard comes with a sleeve that is set in concrete to hold the bollard. When access is needed into an area that is protected by the bollard, simply lift it out of the sleeve. U.S.A. Height in. 52 3/4, Includes Plastic cap and sleeve, Material Type Steel, Outside Diameter in. 5 1/2, Color Yellow, Finish Type Powder-coat. Usable height 42in. Overall height 52in. Diameter 5 1/2in. Powder-coated yellow for high visibility Sleeve is included"