Binding doesn't get any easier! Designed for use with ClickBind machines and compatible with any WireBind system, GBC ClickBind spines add a stylish and durable finish to any document. Documents fold back fully for photocopying, and you can quickly edit them using a special tool to unzip the spine. Colour: frosted clear. Spine: 8mm. For up to 45 sheets. A4 format. Pack size: 50.