1These needles have a flat handle, which can be stably installed on the sewing machine and will not fall off easily. 2With a very sharp needle, it can easily pass through the fabric, and perfectly sew straight or curved stitches. 3The sewing machine needle kit contains 5 different sizes of needles, suitable for sewing fabrics of different thicknesses. 4Made of highquality iron material, wearresistant and corrosionresistant, and is not easy to bend after longterm use. 5The kit contains a plastic storage box, which can store these needles in a good way to avoid harm caused by improper storage.