[Replacement Technique] These for apple pen tips are designed for the second generation/first generation of apple pencils and Logitech crayons, with more precise control, and are very suitable for professional long-term drawing and writing groups. The materials are high in strength and are not easily damaged."Durable" The circular nib design of these three alloy nibs won't scratch your iPad screen protector when using an for Apple pen, and it's durable, so you don't have to worry about changing the nib frequently due to wear, which really saves you money."Precise Control" The pen tip has the same pressure perception as the original iPad accessory pen tip, making it easier for you to see the position of the drawing, improving accuracy, and making for Apple Pen writing as free as a real pencil.[Easy to install] Reliable for apple pen tip, compatible with second generation for apple pencils, first generation for apple pencils, and Logitech crayons. A few seconds of twisting. Suitable for students, more suitable for professionals such as writers and designers.Color: white+ parentmaterial: plasticPackage Contents:3 x pencil tipsOnly the above package content, other products are not included.Note: Light reflection 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.