Binding Comb White Blue Unique Bargains 100 Pcs Plastic 0.31 Dia Binding Comb21 Rings School Office Students Stationery Blue Specification: Product Name Binding Comb Material Plastic Color Blue Each Ring Distance 8mm / 0.31 Size 29 x 8cm/ 11.4 x 0.31 (L*D) Weight 292g Package Content 100 pcs(± 2%) x Plastic Binding Comb Description: Fit any standard 21 ring comb binding machines can be slightly cut to fit the shorter 19 ring binding machine. Work perfect for cookbooks reports proposals calendars paper and other companies documents.