Lykke Knitting Needles Interchangeable Tips Driftwood 3.5 inches long (9cm) US 7 (4.5mm) Bundle with Artsiga Crafts Stitch Markers. BUNDLE: LYKKE Knitting Needles Interchangeable Tips Driftwood 3.5 inches long (9cm) US 7 (4.5mm) Bundle with Artsiga Crafts 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. ARTSIGA CRAFTS: Each Artsiga Crafts locking stitch marker measures approximately .9" x .5" closed; comes in fun and bright assorted colors.