Grove Interchangeable Set- 9cm/3.5" TipsMade of polished Bamboo, the Lykke Grove needles are very smooth and light. All Lykke needles have both metric and US sizes etched on the needles to ensure long term readability. Set contains: 9 pairs of 9 cm 3. 5" needle tips: 3. 25 mm, 3. 5 mm, 3. 75 mm, 4 mm, 4. 5 mm, 5 mm, 5. 5 mm, 6 mm, 6. 5 mm (US 3, 4, 5, 6, 7, 8, 9, 10, 10. 5) 4 cords: 2 cords for 40 cm 16" length, 1 cord for 50 cm 20" length, and 1 cord for 60 cm 24" length 2 connectors, 4