12 pcs Music Book Note Paper Ruler Sheet Music Spring Clip Holder

Suitable For Music Note Book Piano Key Design 0-14cm Ruler colour:Black+Red+Gold+Blue(One for each color) Material:ABS size:Length approximately 14.5cm Package Contents: 12 x Book Clip Only the above package content, other products are not included. Note: Light and different ...Suitable For Music Note Book Piano Key Design 0-14cm Ruler colour:Black+Red+Gold+Blue(One for each color) Material:ABS size:Length approximately 14.5cm Package Contents: 12 x Book Clip Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing.

The measurement allowed error is +/- 1-3cm.