Easy-to-Use chalk holderEasy push the top button to replace chalk stick.Holds standard size of chalkPrevents chalk breakage, keeps hands clean9mm diameterMaterial: Aluminum alloyColour: BlackDiameter: about 9mmPackage content : 1pcs X Chalk clipNote: Light shooting 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.
