GENERAL size chart:
Nostril: 18g 9/32nd (7mm) or 18g 5/16th (8mm)
Septum: 16g 5/16th (8mm) or 3/8th (9.5mm)
Lobe/Helix: 18g-16g 1/4th (6.5mm), 9/32nd (7mm), 5/16th (8mm)
Conch: 16g 7/16th (11mm)
Tragus: 16g 1/4 (6.5mm) - 9/32nd (7mm)
Rook: 16g 1/4th (6.5mm) - 5/16th (8mm)
Daith: 16g 5/16th (8mm)- 3/8th (9.5mm)
Lip: 16g 5/16th (8mm)
These are sold as single units! Some hoops only come in one size which will be listed below :
Material: Titanium
Diameter (how big around the hoop is): 5/16th (8mm)
Gauge : 16g
Stone (if available): Cubic Zirconia