Material: durable hard stainless steel and steel wire.<br><br> 11 different sizes including:1.5mm, 1.75mm, 2.0mm, 2.25mm, 2.50mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm, 4.7mm, 5.0mm.<br><br> Quantity:11picks(1 needle of each size)<br><br> Needle length: 5.3"(13.5cm);Wire length: 21.4"(53cm);Total: 32"(80cm)<br><br> Highly polished, smooth surface, no barb.Packed in perfect needle case and each seperated size in each page,easy and comfortable to use.