This kit includes 11 interchangeable heads, ranging from 2.5mm to 6.5mm, accommodating crochet projects and yarn types. Perfect for pairing with knitting needles, this set caters to all your crafting needs Tailor your lighting with 2 adjustable brightness settings (dim or bright), making it perfect for conditions. Easily see your stitches and dark yarns clearly, enhancing your overall crafting experience Enjoy just 15 minutes of charging time for an impressive 7-9 hours of brilliant light, ensuring your crochet sessions are long-lasting and uninterrupted. USB charging offers versatility as it can be done through wall adapters, power , or computers The light-up crochet hooks feature a smooth that makes it easy to glide through yarn without snagging, allowing you to focus on creating beautiful projects effortlessly Our cute carrying case keeps all your crochet tools neatly organized and ready for travel. Whether you're on vacation or visiting friends, take this kit along for easy crafting Material:Metal Package Contents: 1 set * light up crochet hook