Features: Replacement nibs for all types of BOSTO battery-free stylus. Made of high quality plastic, durable and wear resistant. Easy to replace, just use the pen clip to gently pull the nib out. (Clip is not included.) It contains 15 new nibs and 15 old nibs, and the new ones are only applicable to the upgraded pen. Specifications: Color: Black Material: Plastic Quantity: 30pcs Compatibility: BOSTO Battery-Free Stylus. Pen Length(each): 30.5mm/ 1.2in Package Size: 6 * 2.5 * 0.5cm/ 2.4 * 1.0 * 0.2in Package Weight: 10g/ 0.35oz Packing List: 30 * Pen Nibs Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.