"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. Material Type Steel, Includes Plastic cap and sleeve, Finish Type Powder-coat, Height in. 52 3/4, Outside Diameter in. 5 1/2, Color Yellow. Usable height 42in. Overall height 52in. Diameter 5 1/2in. Powder-coated yellow for high visibility Sleeve is included"