New EZ Turn Thumbscrew. Its long and features a much larger diameter and wider knurl for Durkee hoops only.

1 1/16" - 9 cm, 12 cm, 15 cm, 18 cm round hoops and the 15 cm x 15 cm square hoop.
1 5/16" - 24 cm x 24 cm, 339 mm x 325 mm, 30 cm x 10 cm, 30 cm x 15 cm, 300 mm x 410 mm, and 410 mm x 300 mm.