Our tool will allow you to know what size are that wires in your crafty room! and select the right ring(cinching wire) size depending on the amount of pages it will have, just compare the total width of you notebook to know what is the recommended size of ring, also you can compare the ring itself to the template to know if it is the correct size rings sizes: 3/8 in 1/2 inch 5/8 inch 3/4 inch 7/8 inch 1 inch 1 1/4 inches COLOR Actual color of tools may vary from pictures. DESIGN Every tool is designed, manufactured and tested by the Crafty Shop by Sache team.