sharps(часто в названии указывается "Sharps" // Sharp needles: used for general hand sewing; built with a sharp point, a round eye, and are of medium length. Those with a double-eyes are able to carry two strands of thread while minimizing fabric friction.: Sharps and Betweens – Sharps are the standard sewing needle and range from size 1 to the smallest size 11. Betweens are shorter than sharps and are sized from 3 to 11. Both types have sharp points! Betweens are ideal for professional sewing and techniques such as backstitch or applique.'More)
betweens(Betweens or quilting: These needles are shorter than sharps, with a small rounded eye, and are used for making fine stitches on heavy fabrics such as in tailoring, quilt making, and other detailed handwork; note that some manufacturers also distinguish between quilting needles and quilting between needles, the latter being slightly shorter and narrower than the former. wikipedia.org)