Stretch diameter1.2 mm.1.6 mm.2 mm.2.5 mm.2.5 mm.4 mm.5 mm.6 mm.6.5 mm.7 mm.8 mm.9 mm.10 mm.11 mm.12 mm.12.5 mm.12.7 mm.14 mm.16 mm.18 mm.20 mm.22 mm.25 mm.Set of different sizes