Lykke Knitting Needles Interchangeable Tips Driftwood 5 inches long (13cm) US 15 (10.0 mm) with Stitch Markers. Includes LYKKE Knitting Needles Interchangeable Tips Driftwood 5 inches long (13cm) US 15 (10.0 mm) with Stitch Markers. DESCRIPTION: LYKKE Driftwood needles are made of strong birch wood, they are very smooth and light; with their warm character, the Driftwood needles are easy on the hands and the eyes making all Lykke products a true pleasure to work with; all LYKKE needles have both US and metric sizes etched on the needles to ensure long-term readability. each locking stitch marker measures approximately .9" x .5" closed; comes in fun and bright assorted colors. #lykkeneedles