A 10-pack of Organ Embroidery Needles Titanium Sharps #80/12. The titanium coating allows for less friction on your needle, which dulling of the tip and wear on the needle. The large embroidery eye prevents thread breakage and fraying, so you can use with 40 weight or heavier embroidery thread. Also Works well for metallics. Size 80/12 needle is appropriate for medium weight fabrics, while the sharp tip of the needle pierces woven fibers for a perfect stitch. This needle is perfect for medium to heavy weight wovens like chambray, trigger, or similar fabrics.