Made of high quality stainless steel, HiyaHiya Sharp Steel Interchangeable Needles feature keyless screw-on connections with flexible cables, near perfect joins and a slick but not too slick, smooth finish with sharp tips that are great for increasing, decreasing and intricate stitch patterns. They are lightweight to handle and will warm quickly to the hand, Each Sharp Sock Interchangeable Set contains the following components: 1 set of 0 US/2mm 5" HiyaHiya SHARP Steel Interchangeable Tips 1 set of 1 US/2.25mm 5" HiyaHiya SHARP Steel Interchangeable Tips 1 set of 1.5 US/2.5mm 5" HiyaHiya SHARP Steel Interchangeable Tips 1 set of 2 US/2.75mm 4" HiyaHiya SHARP Steel Interchangeable Tips 1 set of 2.5 US/35mm 4" HiyaHiya SHARP Steel Interchangeable Tips 2 24" Sock Interchangeable cables 1 32" Sock Interchangeable cable 1 40" Sock Interchangeable cable 1 Set of SOCK Interchangeable Tip Adapters 1 Set of Needle Grips 1 HiyaHiya Interchangeable Needle Case (assorted color)