10Pcs Battery-free Passive Stylus Replacement Nibs Tips for XP-Pen HUION H640P Features: Brand new replacement nibs that are ready to go for all of your drawing needs. Step 1. Use a removal tool to take the old nib out of your stylus. Step 2. Put a new nib in your stylus and push it until you hear a slight "click" sound. Suitable for all Battery-free Passive Stylus Such as:XP-Pen ，HUION H640P，VEIKK A30 A50 Specifications: Material: Plastic Color: Black Length: 1.4cm（0.55in） Package includes: (Without retail package) 10 x Battery-free Passive Stylus Replacement Pen Nibs 1 x Removal tool