The outer diameter of the disks for this chuck is 9.375"

10” Longworth Type 2 Package Contents:

1 @ Longworth Type @ Chuck Fully Assembled

1 @ Faceplate (Installed) with 1” X 8 tpi threads

1 @ Doughnut Ring with a 6” opening

4 @ Snap-in Reducer Rings (Solid Ring Set) with openings of 5, 4, 3.5, 3 inches (used with 6” doughnut ring)

Hardware Set: 4 @ 3/8” X 4” bolts, 4 @ 3/8” X 8” bolts, 4 @ 3/8” wingnuts, 8 @ washers

1 @ Storage Stand

We currently make all Longworth and Doughnut chucks with Black HDPE. We have discontinued the yellow color.