Notebook spirals, wire steel ring bindings and springs for calendar, diary, notepad, document cover or booklet sheets, metal stitch isolated on white background. Realistic 3d vector illustration, set Shutterstock .eps vector - Notebook spirals, wire steel ring bindings and springs for calendar, diary, notepad, document cover or booklet sheets, metal stitch isolated on white background. Realistic 3d vector illustration, set - ID: 1922626655