20mm giant bamboo knitting needles 35 cm long 20mm giant bamboo knitting needles 35 cm long £9.00 Sorry, but this item is currently out of stock. Please email me for details of when it will be available. In the meantime, please browse my shop for patterns, kits & finished knits. 0 in your basket View Basket Checkout 20mm bamboo wood knitting needles. Ideal for those giant knitting projects that you are wanting to do. They are only 35cm long so would be ideal for knitting a scarf / cowl.