Counted crochet tool set includes 12 pieces of interchangeable aluminum head hooks, hook sizes from 2.0 mm8.0mm, crochet hooks are available in sizes, equipped with a wrench for easy use and will not cause the hooks to fall off, and easy to remove. The metal head is durable and very strong for longterm use.Crochet kit with LED light and 3 push button switches. Press the button to turn on the LED light, press the S button for each to increase the number of stitches and hold the S button to decrease the number of stitches. Repeat the steps above to the R button to change the number of rows. Display of quantities makes knitting easier.The crochet set has a builtin lithium battery, which is rechargeable and reusable. The battery lasts for 79 hours after being fully charged in 15 minutes, and the crochet hook weighs only 0.7 ounces about 0.7 liters and is ergonomic. Just click the light button on the handle, the crochet hook will light up, you can crochet in the dark, it can protect your eyes well.The crochet hooks use metal crochet hooks, which are reusable, more durable than plastic crochet hooks, have a longer lifespan and do not damage the wool, and you get 12 replaceable crochet hooks.Crochet hook specificationsCrochet hook size 2.0mm, 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm, 6.0mm, 6.5mm, 7.0mm, 8.0mm.material metalColor shownPackage contents1crochet hook1wrench1USB charging cable1CASE12replaceable hookOnly the above package contents, other products are not included.Note Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is13 cm.