Knitter's Pride Symfonie Cubics Interchangeable Normal Tips. Each needle tip is 13cm in length. Designed to produce a specified length (tips + cord). The cuboid shape in square cross-section gradually gives way to perfectly tapered birch wood needle points. Elegant densified laminated Symfonie Rose wood is rich in appearance, yet lightweight, strong & flexible. The polished wood surface works effortlessly with every type of yarn without slowing down stitch rhythm.