European Nightcrawlers (ENC): (Eisenia hortensis). Great for composting and larger than the redworms so they can also be used for fishing. 2 or 3 times bigger than their smaller cousins, the redworm, they are as thick as a pencil and vary in length.
The worms are sold as bed run, which means they will come in all sizes. You will get a variety of adults, juveniles, baby worms and some cocoons.