| Piercing | Standard Gauge | Standard Stud / Bar Length | Standard Hoop Diameter | 
| Nose Piercing / Nostril / High Nostril | 18G(1mm); 16G(1.2mm) and 20G(0.8mm) are also commonly used | 1/4"(6mm), 5/16"(8mm) | 5/16"(8mm), 3/8"(10mm) | 
| Septum Piercing   | 16G(1.2mm); 14G(1.6mm) and 18G(1mm) are also commonly used |   | 5/16"(8mm), 3/8"(10mm) | 
| Bridge / Austin Bar (commonly done with barbells) | 14G(1.6mm), 16G(1.2mm), 12G (2mm) | 9/16"(14mm), 1/2"(12mm), 5/8"(16mm) |  | 
| Rhino or Vertial Tip (commonly done with curved barbells) | 14G(1.6mm), 16G(1.2mm) | 3/8" (10mm), 1/2"(12mm) |  | 
| Septril / Mantis (commonly done with studs) | 16G(1.2mm), 18G(1mm) | 1/4"(6mm), 5/16"(8mm), 3/8"(10mm) |  | 
| Nasallang (commonly done with straight barbells) | 16G(1.2mm), 18G(1mm) | Between 5/8"(16mm) and 1 3/16″(30mm) |  | 
| Third Eye (commonly done with anchors and surface bars) | 14G(1.6mm) | 1/2"(12mm), 9/16"(14mm), 5/8"(16mm) |  | 
| Lip Piercing / Labret / Monroe / Medusa / Madonna / Snake Bites | 14G(1.6mm) or 16G(1.2mm) | 5/16"(8mm), also available in 1/4"(6mm) and 3/8"(10mm) | 3/8"(10mm),1/2"(12mm) | 
| Ashley Piercing (commonly done with studs) | 16G(1.2mm) or 14G(1.6mm) | 5/16"(8mm), also available in 1/4"(6mm) and 3/8"(10mm) |  | 
| Vertical Labret / Jestrum (commonly done with curved barbells) | 14G(1.6mm) or 16G(1.2mm) | 5/16"(8mm), also available in 1/4"(6mm), 3/8"(10mm) and 1/2"(12mm) |   | 
| Forward Helix or Thin Helix  | 16G(1.2mm), 18G(1mm) | 1/4"(6mm) | 1/4"(6mm) | 
| Ear Piercing / Cartilage / Tragus / Helix / Daith | 16G(1.2mm), 18G(1mm) | 1/4"(6mm), 5/16"(8mm) | 5/16"(8mm),  1/4"(6mm) and 3/8"(10mm) | 
| Conch | 16G(1.2mm), 18G(1mm) | 1/4"(6mm), 5/16"(8mm) | 3/8"(10mm), 1/2"(12mm) | 
| Rook | 16G(1.2mm), 14G (1.6mm) | 1/4"(6mm), 5/16"(8mm),  3/8"(10mm) | 1/4"(6mm), 5/16"(8mm) | 
| Snug (commonly done with small hoops and curved barbells) | 16G(1.2mm) | 1/4"(6mm),  5/16"(8mm) | 1/4"(6mm), 5/16"(8mm) | 
| Ear Lobe Piercing | 20G(0.8mm), 18G(1mm) and 22G(0.6mm) are also commonly used | 5/16"(8mm), 3/8"(10mm) | 5/16"(8mm), also available in other sizes  | 
| Industrial Piercing (commonly done with straight barbells) | 14G(1.6mm); 16G(1.2mm) is also commonly used | 1 1/2" (38mm); size varies |   | 
| Tongue Piercing | 14G(1.6mm) |  5/8"(16mm), 9/16"(14mm), 1/2"(12mm) | 5/8"(16mm) | 
| Eyebrow Piercing | 16G(1.2mm), 14G(1.6mm) is also commonly used | 5/16"(8mm), 3/8"(10mm) and 1/2"(12mm) | 5/16"(8mm), also available in 1/4"(6mm), 3/8"(10mm) and 1/2"(12mm) | 
| Belly Button Piercing | 14G(1.6mm) | 3/8"(10mm), 1/2"(12mm) | 3/8"(10mm), 1/2"(12mm) | 
| Nipple Piercing | 14G(1.6mm), 16G(1.2mm) | 1/2"(12mm), 9/16"(14mm) | 9/16"(14mm), also available in 5/16"(8mm), 3/8"(10mm), and 1/2"(12mm) |