Boye-Master Crochet Set. This set comes in a durable vinyl case zippered on three sides to lay open flat. Set contains one of each: steel: 00 (3.5mm), 0 (3.25mm), 1 (2.75mm), 2 (2.5mm), 3 (2.10mm), 4 (2.00mm), 5 (1.9mm), 6 (1.8mm), 7 (1.65mm), 8 (1.5mm), 9 (1.4mm), 10 (1.3mm), 11 (1.1mm), 12 (1.0mm), 13 (.85mm), and 14 (.75mm), and Aluminum: D-3 (3.25mm), E-4 (3.50mm), F-5 (3.75mm), G-6 (4.25mm), H-8 (5.0mm), I-9 (5.5mm), J-10 (6.0mm), K-10.5 (6.5mm). Case measures approximately 6x4x1inch closed and is made of durable canvas.
