Avery Printable Rotary Cards With Sure Feed Technology, 2-1/6" x 4", White, Pack Of 400 Blank Cards - With addresses, phone numbers and e-mails mounting on your desk, contact information can get lost in the shuffle. This pack of Avery customizable rotary cards can help you organize and manage your contacts more efficiently and is perfect for your Rolodex or other rotary card device. Cut from quality cardstock with a weight of 65 lbs / 176 gsm, these bright white premium index cards immediately feel different from everyday card sheets.