Knit Pro - Symfonie wood interchangeable needle tips -
£3.55 - £8.20
 3.00 mm3.25 mm3.50 mm3.75 mm4.00 mm4.50 mm5.00 mm5.50 mm6.00 mm6.50 mm7.00 mm8.00 mm9.00 mm10.00 mm12.00 mm15.00 mm
special       
standard
Additional sets of needle tips to expand your existing set. Available in two lengths; the 'standard' and a 'special' length which will make a 40cm circular needle when combined with a 20cm cable.

Actual needle lengths:
special (often listed as 10cm) = approx. 8.5cm
standard (often listed as 15cm) = approx. 11.75cm