Interchangeable Tunisian Crochet Hook

E - US 4 - 3.50 mm F - US 5 - 3.75 mm G - US 6 - 4.00 mm US 7 - 4.5 mm H - US 8 - 5.00 mm I - US 9 - 5.50 mm J - US 10 - 6.00 mm K - US 10.5 - 6.50 mm L - US 11 - 8.00 mm