You’ll find it in several different thicknesses via the link further up on the page

Rivet washers can be used as support washers for these screw rivets

and can therefore be knitted or crocheted on a size 5 mm needle or hook

Rainbow Bamboo can be a really great alternative

the sleeves are worked separately

hp 1006674 knitting thimble for 2 threads ProjectDeals_US You’ll find it in severalSuper practical knitting thimble that will make multi stranded knitting a breeze. A knitting thimble is a particularly practical tool for colorwork projects like Fair Isle, where it will help you keep track of the different strands. The two small spirals keep the strands separated, making it much easier to pick up the correct strand for every stitch. The knitting thimble comes in two sizes and should fit snugly around the middle joint of your index