Amazon.com : Shuokecrafts 2Pcs Ring Binder Mechanism,3 Round Ring, A5 Half Letter Junior Legal Size,20mm Ring Inner Diameter,no boosters,Silver : Office Products
Replacement Ring Binder Mechanism (Silver Color Only) | CityGirl Planners
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Amazon.com : Shuokecrafts 5Pack 2-Ring Binder Mechanism Spines for Top-Binding, 2 D-Rings (30mm(26mm Base Width)) : Office Products
Set of 5 World Wide Ring Binder Mechanism 3 Ring Round .75 inch Diameter Rings | eBay
Amazon.com : 2 Pieces Letter Size Ring Binder Mechanism Replacement Kit 3- Ring Metal Binder Mechanisms Loose Leaf Binding Spines Combs for Binder Organizers : Office Products
Amazon.com : BinderRings Magnetic D-Ring Binder Mechanism (25 Pack), 3-Ring Binder 1-inch D-Shaped Rings for Standard Letter Paper (8.5 Inches x 11 Inches), Includes 25 Vinyl Sheet Protectors : Office Products
Avery; Magnetic Hanging Binder Rings, 3 Ring Binder, 1.5" Slant Rings, Holds 375 Sheets (77715) - 1 1/2" Binder Capacity - 375 Sheet Capacity - Slant Ring Fastener(s) - Metal - Wrinkle-free - 1 - Walmart.com
Binder Ring Mechanism 3-Ring, 2" Slant 'D' Letter SizeQuality Locking - Bar C Saddlery