Only two sets (4mm/10mm) have been opened, but are unused. The other sets are unopened. LIHAO Knitting Needles, 36 Piece Set, Bamboo, with Ball Tips, Knitting Needles, Knitting Needles, 18 Sizes, Sizes 0 to 15, 2 to 10mm [Specifications] Quantity: 36 pieces, Thickness: 2.00mm～10.0mm, Length: 250mm, Material: Bamboo 2.0mm/2.25mm/2.5mm/2.75mm/3.0mm/3.25mm/3.5mm/3.75mm/4.0mm/4.5mm/5.0mm/5.5mm/6.0mm/6.5mm/7mm/8mm/9mm/10.0mm (2 needles of each size)