The Multi Cinch Book Binding Machine by We R Memory Keepers makes book binding quick, easy and affordable. It is the best binding tool on the market for home, school and office projects. Customize the look of your projects with stylish binding wire. Wires come in a variety of trendy colors and are great for travel journals, planners, diaries, recipe books, and so much more! This package includes 30 metallic binding wires in 5 different colors, ideal for 2:1 projects. (0.625" - 1.38 cm)