We R Set of 4 0.625" Silver Binding Wires for Cinch

• Contain 4 binding wires of 0.625" thick and 12" long (30cm).
• Double wires with double rings, that is, two metal rings fit into each hole. 
• These Wire-o requires a perforation step with 2 holes in each inch (12.7 mm distance between both centers) also known as step 2:1. 
• Spiral wires designed to bind your work with your binding machines Blue Cinch, Heidi Swapp’s Cinch or the Zutter Bind It All Binder.
• Include silver wires.
• Brand: We R Memory Keepers