The lighted crochet hooks set is a perfect kit for crochet enthusiasts and an ideal gift for crocheters Features: This LED lighted crochet hook set provides clear visibility while crocheting, especially when working with dark-colored yarn. Never stop or slow down due to poor lighting or dark yarn—meet your crochet needs effectively. Two adjustable brightness levels (dim or bright) suit various lighting conditions, allowing effortless crocheting and clear visibility, even with the darkest yarn. Ideal for use with dark-colored yarn or when extra illumination is needed. The crochet hooks feature a built-in rechargeable battery, eliminating the need for replacement batteries and saving time and money. Quick 15-minute charging provides long-lasting performance of 7 to 9 hours. USB charging is compatible with wall adapters, power banks, desktops, laptops, and other standard USB power sources. Specifications: Handle Color: Red Handle Length: 12cm / 4.72in Head Length: 3.6cm / 1.42in Bag Size: 18 x 10 x 3.3cm / 7.1 x 3.9 x 1.3in Crochet Hook Sizes: 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm, 6.0mm, 6.5mm Charging Time: Approximately 15 minutes Working Time: Approximately 7 to 9 hours How to change the hook head: Use the included wrench to loosen and remove the current hook head. Select the desired size and align the protruding part near the marked size with the slot on the handle. Position the wrench on the groove of the new hook head and tighten until secure. Package included: 1 x Ergonomic Silicone Handle 9 x Interchangeable Hooks 1 x Wrench 1 x USB Charging Cable 1 x Fashion Case 12 x Crochet Accessories: 10 pcs Stitch Markers, 1 x 60-inch Soft Measuring Tape, 1 x Seam Ripper