Bollard Embedment Sleeve, Product Type Bollard Embedment Sleeve, For Use With Calpipe 4 in Dia. Posts, Includes Hex Key, Tamper Screw, Overall Height 12 in, Overall Length Not Applicable, Overall Width 9 1/4 in, Outside Diameter 4 3/4 in, Inside Diameter 4 in, Color Silver, Material Stainless Steel, Finish Unfinished, Weight 11 lb