Durable material, highstrength cover material, improved welding process. High sensitivity and low latency allow you to write smoothly. You dont have to worry about scratching the screen, it is durable and not easily damaged, and has a long service life. Ecellent 2 pen tips are made of durable titanium alloy material. Save costs and you dont have to worry about them wearing out like other pen tips and replacing them frequently. Has the same 4096 pressuresensitive tracking for no delay and precise control. Allows users to write and draw with etreme precision. Ecellent pen tip makes your notetaking and drawing eperience realistic. No delay, you can write freely, tilt the drawing, fleible and precise. Just like a real pen writing on paper. Replacement pen nibs with for reMarkable 2 Marker and Marker Plus, for Pen 2 Pro, pen plus, pen 2, for iReader Smart 2, ALStar EMR digital pen, S23S22S21S9S8S7S6Note 20Note 10Note 5Note4Note 3 pen and stylus. Please note that there will be a loose feeling when installing, which is caused by the internal elastic spring and does not affect the use. Easy to install, quality guaranteed. pen not included Material Titanium alloy Color Silver Package Contents 1Mounting Pliers 2Etra Marker Nibs The above package contents only, 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 13 cm.