Features: 1.It is easy to use the tool as a bookmark. 2.You can use the ruler to measure the distance or draw a straight line. 3.Match the mushroom binding ring to bind the mushroom notebook. 4.Can freely arrange, increase or decrease the combination of bound pages. 5.A5 8 holes, B5 10 holes and A4 12 holes are optional. specification: 1. It is easy to use the tool as a bookmark. 2. You can use the ruler to measure the distance or draw a straight line. 3. Match the mushroom binding ring to bind the mushroom notebook. 4. Can freely arrange, increase or decrease the combination of bound pages. 5. A5 8 holes, B5 10 holes and A4 12 holes are optional. : Condition: 100% Brand New Item Name: Marking Punching Accessories Color: Shown as Picture Optional Type: A5 8 Holes, B5 10 Holes, A4 12 Holes Optional Quantity: A5 8 Holes: 1 x Ruler, 18 x Mushroom Buckle B5 10 Holes: 1 x Ruler, 22 x Mushroom Buckle A4 12 Holes: 1 x Ruler, 26 x Mushroom Buckle Package List: 1 x Marking Punching Accessories Set Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.