38S Set of 10 Needle Felting Needles - 38-Spirals Twists - with Reusable Storage Tube Set of 10 Needle Felting Needles - 38 Gauge Spirals (sometimes called Twists) These needles are wonderful for most types of needle felting. Use a finer needle (higher number) for finishing. Spirals needles are the newest type and are valued for felting faster and with less prominent holes. The needles are made of sturdy steel by Groz-Beckert, a favorite of fiber artists. They are manufactured in Portugal. Each set of ten needles comes in a reusable storage tube with a color coding, interchangeable cap.