Available Needle Sizes: KnitPro Nova Cubics Interchangeable Circular needles are available in 8 popular sizes, ranging 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm and 8mm, perfect for knitting circular items like hats, gloves, beanies, sweaters etc. Electropolished Brass Needle: KnitPro Nova Interchangeable Circular Needles are nickel-free brass needles, electropolished with chrome for better protection and corrosion resistance. Carrying the inherent strength and durability of brass, these needles enable a smooth experience every time. Pad-Printed Needle Sizes: Each pair of knitting needles has pad-printed sizes in black ink that remain legible and do not wear off with regular use. These precise and smudge-free markings are not impacted by friction of the yarn or the hands of the knitter while they knit. Ergonomic Cube Shape: The unique cube shape design of these needles increases the touchpoints for a comfortable grip and a smooth knitting experience. The ergonomic cube shape enhances the knitting speed and efficiency of the knitter. Plastic Free FSC- certified paper packaging: KnitPro Nova Cubics Interchangeable Circular Needles are packaged in environment-friendly recycled paper that is certified by the Forest Stewardship Council (FSC). The paper used for the packaging is sourced responsibly, ensuring the preservation of our environment.