Bollard Embedment Sleeve Product Type Bollard Embedment Sleeve For Use With Calpipe 6 in Dia Posts Includes Hex Key Tamper Resistant Screw Overall Height 12 in Overall Length Not Applicable Overall Width 11 1/4 in Outside Diameter 7 in Inside Diameter 7 in Color Silver Material Stainless Steel Finish Unfinished Weight 15 lb