Mushroom hole 4-hole puncher Metal structure with positioning ruler DIY notebook punching 4 holes meet the binding needs of 3-inch 1-grid card book inner pages DIY your own notebook, align the paper and put it in the bottom, press and punch to complete Convenient plastic paper scraps bottom pad, collect paper scraps, non-slip and stable, protect the desktop Note: Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Colour:Photo Color Material:plastic Package Contents: 1 x 4 Holes Mushroom Holes Puncher Only the above package content, other products are not included. Note: Light reflection 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store