WEZCHUGHAOL 50 Pcs Black Plastic Comb Binding Spines 16mm, 21 Rings for Binding Paper Sheets up to 120 Sheets, Durable Bookbinding Supplies for Office & School

Product specifications : Material : plastic Colour : as picture shown Size: as picture shown Packing list : 50 Pcs Black Plastic Comb Binding Spines Features : 1.High quality raw materials ensure that the plastic binding combs won’t chip, scratch, peel or discolor and can be re-used 2.A box of 50 Inner diameter 16mm (5/8 Inch) Binding Combs ensures long-term productivity for all of your binding projects,allow you to bind paper sheets with ease and store for a long time 3.These plastic binding combs are designed in 21 rings, making them suitable for any 21-hole rubber ring binding machine. Binding spirals provide a 360-degree page-turning rotation capability for easier reading Notes : Manual measurement, please allow slight errors on sie. The color may exist a slight difference due to different screen displays.