Outside dimension of hub liner should be same as inside of where the liner is inserted.
Insertion tool can be rented.
Office chair base hub liner
1 1/4" outside diameter
4 1/32" high
Has 1" inside diameter center hole
White
Also used on Hippopotamus kitchen/dining chairs.
Will not fit Plycraft chair base hubs.
Office chair Hub liner-plastic
1 1/4" outside diameter.
1" inside diameter center hole..
Walls of 1" hole are supposed to be smooth and not threaded.
Hippopotamus kitchen/dining chairs.