Kollage circular needles come in a wide range of sizes and different lengths. The original four-sided knitting needle. Kollage Square™ Ergonomic Knitting Needles help relieve pain and tension in wrists and hands and create more uniform stitches! Squares™ feature smooth joins and precise points. A superior quality needle, manufactured in Canada at a facility that provides employment for people with disabilities. Backed by a lifetime warranty. Square shape is ergonomic Unique swivel-join on firm cables mean your large projects don’t crimp Precise tips are sharp, but not too pointy Needle sizes are etched on, no need for a gauge! Lifetime warranty