Features: 1.Color Variety: With 14 Vibrant Color Options For Our Binding Combs, You Can Effortlessly Bind Any Document With A Color Coded System. Accommodates 30 Holes A4, 26 Holes B5, And 20 Holes A5 Sizes. 2.Robust Construction: Crafted From Premium Pp Plastic, Our Binding Combs Withstand Heavy Use And Provide Reliable Binding Every Time. Easily Trim With Scissors To Meet Your Specific Needs, Adding Or Removing Supplement Paper. 3.Compatibility With Binding Machines: Our Binding Combs Are A Perfect Alternative For Other Brand'S Spiral Coils, Coil Spines, And Comb Bindings, As Well As 10 Hole, 20 Hole, And 30 Hole Punch Machines. 4.Meets All Your Binding Needs: Plastic Binder Combs Are Ideal For Teachers, Students, Professors, And Enthusiasts Who Need To Bind Reports, Presentations, And Other Documents. 5.User Friendly: Effortlessly Create Polished Presentations And Reports With Our Binding Spines, Designed For Smoothly And Efficient Document Binding, Guaranteeing A Professional Finish With Ease. Specification Item Type: Comb Binding Spines Material: Pp Hole Spacing: Approx. 9.5Mm / 0.37In Diameter: Approx. 19Mm / 0.75In Ring Count: 30 Rings/Strip Length: Approx. 28Cm / 11 1/4 Inches Applicable Size: A4 Paper 30 Holes, B5 Paper 26 Holes, A5 Paper 20 Holes (Cut) Maximum Binding Thickness: Approx. 150 Sheets Of 70G Paper Application: Loose Leaf Notebook, Hand Account Book, Quiet Book, Desk Calendar, Etc. Colors: Purple, Blue, Orange, Green, Black, White, Yellow, Lilac, Crimson, Light Green, Transparent, Pink, Translucent Blue, Light Blue