1Pcs metal Chalk Holder Teacher's Blackboard Saving Chalk Clip Clutch, Sier

It can be kept clean during class time

Material: metal
Color: Sier
Reduce chalk opponents and contaminated clothing;

Let your delicate lubricated by hand is no longer chalk harm;
Can be used for a long time
This product is suitable for ordinary schools with a diameter of ordinary chalk 9-10mm

If you can put a large chalk chalk sets apart the front end of the clip pull bigger
Top with a pencil, pen able to come out, and the method is very simple
1x chalk clip

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