1) 2" Chrome Aluminum Swivel Floor Mount.

2) Outside Diameter Is 4 1/2".

3) Fits All 2" Diameter Aftermarket Columns, Including GM (Chevy, GMC, Pontiac, Cadillac, Buick, Olds), Ford, & Mopar (Chrysler, Dodge, Plymouth).

4) Machined From 6061-T6 Billet Aluminum.

5) Easy Installation And Fits Great For Your Column.

6) Package Includes: As Shown In Our Pictures.

We Also Have Column Drop In Sto, Please Click https://www.ebay.com/itm/185157521885

This Item Doesn't Come With Installation Guides. We Highly Recommend Professional Installation.

We Will Ship Your Package From Different Warehouses.