The Springfield Table Pedestal has a 27" long, 2-3/8" Uni-Lock post. This Thread-Lock Package includes a Uni-Lock table mount and Thread-Lock table base.• Locking 2-3/8" table mount is made from high-strength black plastic• Table mount measures 7" dia. with a 5-3/4" hole pattern• 27"H 2-3/8" post is double locking with Thread-Lock and Uni-Lock• Thread-Lock base is made of high-strength aluminum in satin• Base is 7" dia. with a 5-3/4" hole pattern 7"" dia. table mount with 5-3/4"" hole pattern Thread-Lock base is made of high-strength aluminum in satin 7"" dia. base with a 5-3/4"" hole pattern | Springfield Marine 2-3/8" Table Pedestal Thread-Lock Package, 27" High in Black