Sold as 20/Pack. Create professional-looking spines with binder spine inserts using free templates from Avery Design & Print. Micro-perforated cardstock allows for easy separation of each spine. Firm cardstock makes it even easier to insert each spine into a binder. Create professional-looking binder spines using your inkjet or laser printer. Micro-perforated cardstock for easy separation of each spine. Firm cardstock makes it easier to insert each spine into a binder. Spine Width: 2 in Color(s): White Machine Compatibility: Inkjet Printers Laser Printers HUB Compliance: N/A.Unit of Measure : Pack