Gitzo GS1320D Series 1 Aluminum Adapter Disc for Center Column

The Gitzo GS1320D Series 1 Aluminum Adapter Disc for Center Column is used to attach a head to the bottom of Gitzo series 1 tripods with threaded center columns. It features a reversible 1/4"-20 and 3/8"-16 stud for camera mounting, and is an ideal solution for upgrading to the latest version of aluminum discs and bolts.