Hiya Hiya - Interchangeable - Sharp Tips
4" & 5" Tips sizes available from 2.75mm - 10mm (with the exception of 7.5mm in both)
Special Sock Needles are available in 5" 2mm to 2.50mm
Sharp Needles are great for working that fine yarn, Cobweb, Lace or even socks!
They make look exactly like the Steel, but they are completely different.