Features: Precisions replacement nibs for 16/12/13/20 ensures compatibility and performances, from materials to extended digital art. Optimized tip geometry delivers smooth, dragfree strokes while the toolless installation systems enables quick nibs swaps in seconds for uninterrupted creative workflows. for professional illustrators, modelers, and note taking enthusiasts requiring styluses components for daily tablet interactions. Maintain artistic precisions during marathons sketching, on location client meetings, or urgent project deadlines with low maintenance nibs replacements. Environmentally packaging houses 10 ready to use nibs in storage, for organizing digital art supplies in studio drawers or mobile creator kits. Specifications: Materials: Plastic Size: 18mm Color: Black for 16/12/13/20 Package Includes: 10Pcs styluses Tip note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.