Amazon.com : BinderRings Magnetic D-Ring Binder Mechanism (10 Pack), 3-Ring Binder 1-inch D-Shaped Rings for Standard Letter Paper (8.5 Inches x 11 Inches), Includes 10 Vinyl Sheet Protectors : Office Products
Ring Binder Mechanisms (Pack of 10)
Replacement Ring Binder Mechanism (Silver Color Only) | CityGirl Planners