We R Memory Keepers Mini Cinch Bookbinding Binding Tool Machine | Spiral Binding for Binder, Planner, Paper, Book Making, Notebook Punch Makes Square Hole
QuickFit Round-Ring View Binder, 3 Rings, 0.63" Capacity, 11 x 8.5, White - River City Office Supply
NEW GBC CombBind C50 Personal Spiral Hole Punch Binding Machine 33816039575 | eBay
GBC DocuBind Binding System 3 Hole Punch For Office School Home New USA | eBay