Bollard Embedment Sleeve Product Type Bollard Embedment Sleeve For Use With Calpipe 3 in Dia Posts Includes Hex Key Tamper Resistant Screw Overall Height 12 in Overall Length Not Applicable Overall Width 7 1/2 in Outside Diameter 4 in Inside Diameter 3 in Color Silver Material Stainless Steel Finish Unfinished Weight 8 lb