Enhance your crafting and tailoring projects with this High Temperature Disappearing Pen Refill set, designed for precise and temporary markings on shoes, clothing, and light-colored leather. Featuring a superior steel nib made of high-hardness material, these pen refills provide clear, durable markings that improve your workflow and accuracy. Ideal for professional use or DIY projects, these refills offer excellent functionality and convenience. Key Features: · High-Hardness Steel Nib: Crafted from superior steel, the pen point ensures a sharp, precise marking effect while maintaining durability for extended use. · Temperature-Activated Disappearing Ink: Marks made with this pen disappear at approximately 60℃, making it perfect for temporary guides and adjustments. · Reappears at Low Temperatures: The markings will reappear when exposed to temperatures around -10℃, allowing for easy verification if needed. · Ideal for Light-Colored Leather: Specially formulated for use on light-colored leather surfaces, providing clear and visible temporary marks without permanent damage. · Wide Application: Perfect for temporary marking on shoes, clothing, leather, and other fabric materials, supporting various tailoring, crafting, and repair tasks. · Bulk Pack of 100 Pen Refills: Comes with 100 pen refills to fully meet your marking needs, ensuring you have ample supply for multiple projects. Specifications: · Item Type: High Temperature Disappearing Pen Refill · Pen Point Material: Steel · Shell Material: Plastic · Color: As shown in the picture · Total Length: Approx. 13cm / 5.1in · Quantity: 100pcs Package Includes: · 100 x High Temperature Disappearing Pen Refills This set of high-quality disappearing pen refills is an essential tool for tailors, shoemakers, leatherworkers, and hobbyists who require reliable, temporary markings that vanish with heat. The durable steel nib and temperature-sensitive ink provide precision and convenience, making your marking process efficient and hassle-free.