Pairs of multi-colour interchangeable acrylic needles with sharp, tapered points for non-slip circular knitting, KnitPro Trendz Normal Interchangeable Circular Needles 12cm are available in 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 8mm, 9mm, 10mm and a mighty 12mm size. Radiant colours and great for slippery yarns. 1 pair per pack.