All laceweight yarns and threads - relatively speaking. The heaviest is the size 3/2 pearl cotton, which is about the same weight as a fingering yarn. The finest is the size 100 crochet cotton, closely followed by the 60/2 linen. I don't think linen is suitable for tatting (I'm open to listen to arguments to the contrary) but I know that people use it for bobbin lace, fine weaving, embroidery, etc., so I decided to add it to the batch.
The greens are mixed in all the hanks except for the wool/silk yarn. This is because they have been rewound from an original longer skein. Not really a "slow color change" batch, "Fern" is more of a "many color change" batch, due to the 6 different shades of green, plus the shadings in between. A bit more work than some of my other color combos, but I have have charged the same prices for these as my usual skeins.