Mindful Lace Knitting Needles by Knitter's Pride are made of superior Stainless Steel for a smooth knitting surface. Perfectly tapered tips for fine fiber work. Comes in environmentally friendly packaging made from recycled materials. As part of the concept of this collection, inspirational words are printed on each needle to enhance the pleasure and tranquility of the knitter. The interchangeable needles have the advantage of a swivel top rotary mechanism to avoid annoying twisting. These "special" length 4" tips are most commonly used with the 16"(8"actual) Knitter's Pride cables to craft 16" circulars. US 2.5 (3mm)