Lantern Moons interchangeable circular knitting needles are made of sustainable Ebony wood, one of the worlds most valuable materials. The liquid silk finish of these lightweight interchangeable circular needles and the 24K finish on the brass connector, guarantees snag-free knitting. The interchangeable circular needles smooth cord never twists thanks to a swivel connector, and it lies flat for easy storage. Smoothly honed and shaped needle tips work well with all yarns.