3X(Material: the chalk holder is made of aluminum alloy material, sturdy and durable, not easy to get rust or erosion, has a long service life
How to use: you only need to press the chalk holder's top button, and put chalk stick from the front; The chalk holder allows you to adjust the writing length of the chalk, then release the top button
Functions: using the chalk holder can not only keep your hands clean, but also protect chalks from breaking, suitable for teachers, children's painting and writing
colour: silver
Material: Aluminum Alloy
size: 10x1.3cm

Package Contents:
8 * Chalks Holder)