HiyaHiya - SHARP stainless steel needle tips -
£6.25 - £7.95
 2.00 mm2.25 mm2.50 mm2.75 mm3.00 mm3.25 mm3.50 mm3.75 mm4.00 mm4.50 mm5.00 mm5.50 mm6.00 mm6.50 mm7.00 mm7.50 mm8.00 mm9.00 mm10.00 mm
4"   
5"
Available in two lengths - 4" or 5" to allow complete flexibility. Use 4" tips to make short (40cm or less) needles.
As the name inplies these tips are super pointy Stainless Steel so are perfect for all kinds if knitting but particularly lace...

Regarding cables / fittings...
Needle tips 2.00mm, 2.25mm & 2.50mm use SOCK/MINIATURE cables
Needle tips 2.75mm - 5.0mm use SMALL cables
Needle tips sized 5.50mm and above use LARGE cables.

There are tip adaptors available that enable the use of 'Large' tips with Small cables and Small cables with 'Mini' (2.00-2.50mm) tips if preferred.