The most comfortable writing experience ever! The tip of the SENSOR fineliner features a micro-spring mechanism that allows the fineliner to adapt to writing pressure. This keeps the hand relaxed, even during long writing sessions. · Adapts to writing pressure thanks to the sprung tip · Ideal for hand lettering or neat and clean writing · Smooth writing sensation with a 0.3 mm line width · Suitable for writing, sketching, and drawing · Excellent writing comfort, even with prolonged use · Cap can be clicked onto the back of the pen · Available in 8 beautiful colors · 2 line widths: Fine 0.3 mm and Medium 0.7 mm The spring in the tip of this fineliner ensures that the tip cannot bend or break, making it extremely durable. No matter how hard you press on the tip, the STABILO SENSOR adapts and springs with the exerted writing pressure. The tip is encased in metal, which is ideal when working with rulers and stencils. The pen offers excellent writing comfort, even under heavy and prolonged pressure. The line width is 0.3 mm, and the SENSOR is available in 8 beautiful writing colors. Set of 4 STABILO fineliners. The writing tip mounted on a micro-spring ensures a smooth writing style and definitively puts an end to illegible handwriting. Its virtually unbreakable and split-resistant fine tip makes the STABILO sensor the ultimate choice for fineliner users.