Lantern MoonÂ’s interchangeable circular knitting needles are made of Ebony wood, one of the worldÂ’s 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 needleÂ’s 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. Measurement of the Lantern Moon Interchangeable Needles The needle includes the ebony tip and the brass connectors of the needle and cord, not just the wooden portion of the needle. If the needle tip is measured, be sure to include the brass connections. Cord length includes the cord and attached tips, as a circular needle would be measured.