The high quality stainless steel sharp tips offer strength, with a hollow construction for a great lightweight feel. The tapered point is ideal for intricate stitches and lace patterns. (My favourites)
2.0mm to 2.5mm have the mini screw thread [Mini]
2.75mm to 5.0mm have the small screw thread [S]
5.5mm to 10.0mm have the large screw thread [L]