Gel Pen display Twist colours

Gel Pen display unit, Twist model. Gel ink ball pens twist effect: while the ink is used, it changes its colour: blue, green, pink, yellow, orange and purple. Fluorescent colours. Each display holds 24 ball pens. Tough ball pens, quick-drying and long-lasting (approx. 200 metres of writing). APLI's Gel Pens write with a 0.8 mm thick line, making them ideal for taking notes, underlining, drawing, etc.