Quality replacement: this thread zap II replacement tip is the replacement of the pen head, quick replacement, simple operation, will not delay you anything. Fine workmanship: this thread zap II replacement tip is made of tungsten wire, the tip of the pen is thin, can better help you to position, complete the exquisite handicraft. Compact and convenient: this thread zap II replacement tip is very compact, when it is not applied, it does not occupy a position on the side, save space. Package Contents: 4 pieces thread zap II replacement tips. it can satisfy your daily use and replacement needs Instructions for use: after using the thread zap II replacement tips, when the tungsten wire of the pen nib has not been completely cooled, touching objects or skin will cause scald.the tungsten wire of the pen nib becomes soft and easily deforms after heating. therefore, please cover the pen cap when it is not in use to prevent it from being broken and unable to be applied normally. Features: Advantages: Compact and portable, does not take up the volume, easy to replace the operation steps, save you a lot of things. Quality material: The thread zap II replacement tip is made of quality tungsten wire, heating faster, can quickly fuse, accurate positioning, save time. Specifications: Material: Tungsten filament Color: as the pictures shown Size: as pictures show Package contents: 4 Pieces thread zap II replacement tips Note After using the product, when the tungsten wire of the pen nib has not been completely cooled, touching objects or skin will cause scald. The tungsten wire of the pen nib becomes soft and easily deforms after heating. therefore, please cover the pen cap when it is not in use to prevent it from being broken and unable to be applied normally. Please clean up the crumbs after the pen nib is burned and melted. Pointed parts included, please keep away from children.