The diameter size of our embroidery needles is about: 1mm/0.04inch, 1.2mm/0.05inch, 1.4mm/0.06inch, 1.6mm/0.063inch, 1.8mm/0.07inch, 2mm/0.08inch, 3mm/0.12inch, 3.5mm/0.14inch. Suitable for most embroidery threads. This punch needle is made of Metal, which is , smooth and reliable, and , making it very comfortable to use and no problem to use for a long time. This punch needle comes with a threader to help you easily pass the yarn through the needle hole. It is simple and convenient to use, and both beginners and professionals can quickly get started. This punch needle set has many functions to help you complete various handicrafts. It is widely used in sewing , embroidery, clothing, tablecloths and other fields Colour:As Shown Material:Metal Package Contents: 1x wooden handle punch needle 6x bare needles of different sizes 2x punch needles of different sizes 1x handle 2x needle threaders Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.