Features:
1.Square/round,suitable for many kinds of chalk 2.Scientific Design,20 opening and closing ergonomic design, easy to clamp, easy to access 3.NA strong magnetic mute chalk holder, meets most of the chalk on the market 4.Annular rubber interlayer, strong adhesion, not easy to fall off, no noise in use
Specifications:
Weight：1.9oz Size：6cm x 2.8cm
Note：
Only the chalk holder, the chalk is used for display
