Ranger Pedestal Base Insert Replacements

[WB]

I am installing new plastic inserts in a Ranger pedestal base. Do I put the thick or thin end into the base first. They also sent a small bottle glue with the plastic insert, is this to glue the insert into the pedestal base. These are the Springfield spring lock type pesdtals.
Thanks
Craig

[STRETCH1]

Where did you get this stuff? I have a Ranger 520c with plastic inserts. They are definately glued in. I think the thicker side goes in first.