There are two kinds of spring design inside the body, you can adjust the length of the chalk by pressing the tip of the holder as the mechanical pencil.
Great for writing on cafe boards, writing on construction chalkboards, or as a gift for school teachers who have trouble with chalks every day in the classroom.
Made of high quality plastic, it is strong and durable.
As a chalk, you can protect your chalk from breakage and water and keep your hands clean and use it until the chalk becomes small.
Magnetic function allows it to be attached to the steel board when not in use.