This product has 5 units.
Size 0 (2.0mm), Size 1 (2.25mm), Size 1.5 (2.5mm), Size 10 (6.0mm), Size 10.5 (6.5mm), Size 10.75 (7.0mm), Size 11 (8.0mm), Size 2 (2.75mm), Size 2.5 (3.0mm), Size 3 (3.25mm), Size 4 (3.5mm), Size 5 (3.75mm), Size 6 (4.0mm), Size 7 (4.5mm), Size 8 (5.0mm), Size 9 (5.5mm)