This thread zap II replacement nib is the replacement of the nib, the replacement is fast, the operation is simple, and it will not delay you anything. Made of high-quality materials, the nib is thin, which can better help you position and complete beautiful crafts. Small and convenient, it does not occupy a side position when not in use, saving space. 5pcs thread zap II replacement tips. Can your daily use and replacement needs Instructions for use: After replacing the nib with thread zap II, when the tungsten filament of the nib is not completely cooled, contact with objects or skin can cause . After heating, the tungsten wire of the nib becomes soft and easily deformed. Therefore, please put the cap on when not in use to prevent the cap from breaking and not working properly. Colour:black Material:Metal Package Contents: 5 x Thread Tips Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.