Marblz, the latest from Knitter's Pride, get their name from the marbles like coloration of the material. These beautiful acrylic needles have a different color depending on what size you order. Knitters will find the surface of Marblz to be smooth and satiny, providing the perfect grip to the yarn.  The tips of Marblz are made with just the right sharpness, making them suitable for any kind of project.  10" single point size US 7 ( 4.50 mm).