Bollard Mounting Style Bolt-On Overall Length 24 in Overall Width 8 in Material Carbon Steel Wall Thickness 0.1 in Color Yellow Finish Powder Coated Overall Height 24 in Installed Height 24 in Weight 16 lb Outside Diameter 4 1/2 in Includes Mounting Hardware Not Included Number of Mounting Holes 4 Mounting Hole Diameter 7/8 in Locking System No Locking System Product Type Permanent Cap Adjustability Removable Reflectivity Non-Reflective Mounting Hole Width 7/8 in