Phấn nhôm hợp kim giữ viết phấn

Easy-to-Use chalk holder Easy push the top button to replace chalk stick. Holds standard size of chalk Prevents chalk breakage, keeps hands clean 9mm diameter Material: Aluminum alloy Colour: Black Diameter: about 9mm Package content : 1pcs X Chalk clip Note: 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.