Silver A6 Ring Mechanism. A6 Rings fit A6 inserts. This is a "TRUE A6" size meant for inserts that measure approximately 4" x 6".
Rings measure 25mm in diameter.
Rings can be used to turn your Travelers Notebook into a ring planner.
Rings come with 2 single cap rivets each - please be aware that a rivet setter is required to set rivets!