Item Type: Sewing Machine Needles Material: Metal Product Specification: 500 Pieces (50 Packs) Product Use: Industrial Use Package List 500 x Sewing Machine Needles (50 Packs) 1Premium Metal: These sewing machine needles are made from premium metal material, which ensures smoothness and wear resistance. 2Repeated Polishing: These sewing machine needles have been repeatedly polished, they have glossy texture and better use experience. 3Easy to Penetrate: These sewing machine needles are easy to penetrate the fabric, not easy to skip the needle. 4Different Models: Model 11 for thin fabrics (yarn), model 12 for medium thin fabrics (shirts, satin), model 14 for ordinary fabrics (windbreakers), model 16 for thick fabrics (jean), model 18 for thicker fabrics (thick coats). 5Meet Your Needs: The package includes 50 packs sewing machine needles, which is 500 pieces in total, completely meet your needs.