Wide application: this adjustable chalk clip is suitable for teachers, children, artists, schools and offices. It can significantly reduce the problems caused by chalk pockets and is an indispensable tool for learning. Adjustable: turn the end of the chalk holder to control the extending or lowering of the chalk, adjust the length of the chalk easily and keep the feeling when writing. Suitable for teachers, painting and writing of children. Practical and practical: the inside of the chalk holder can hold the chalk, it does not fall easily, it does not discolour the hands and it can also restore the smaller broken chalk, which can prevent the broken chalk, which is easy to carry and write. Exquisite design: teacher chalk covers can be easily pressed with the magnetic thumb adsorption. In a variety of colours, including red, yellow, green, blue, very eye-catching and energetic, which makes the learning atmosphere more active, the chalk length can be adjusted to will, loved by teachers and students. High quality material: the plastic chalk holders are made of high quality ABS plastic, sturdy and durable, rustproof. Comfortable grip, erosion and long service life.