Sterile Titanium Disc Surface Barbell

Isha Body Jewellery

Size Guide

Standard highly polished titanium surface bar with internal threads. Sterile jewellery - suitable for new and unhealed piercings. 

UK standard vacuum sterilisation, autoclaved at Isha Studio.  Unless damaged, the contents remain sterile, three years from when they were autoclaved.  Process date is detailed on each pouch.

Please note: surface bar has discs and not balls as shown in photo. 

Material: Medical/Implant Grade Titanium ASTM F-136
Post Gauge: 1.6mm/14g
Post Length: 18-24mm
Disc Width: 4mm
Post Colour: Polished
Thread Gauge: 1.2mm
Thread: Internal (discs thread into post)
Suitable Piercing: Surface.

Post Length

Size Chart


Gauge (G) / Post Thickness


Length / Internal Diameter

1mm = 18G 3.1mm = 1/8"
1.2mm = 16G 3.9mm = 5/32"
1.6mm = 14G 4.7mm =3/16"
2.0mm = 12G 5.5mm = 7/32"
2.4mm = 10G 6.4mm = 1/4"
3.2mm = 8G 7.1mm = 9/32"
4mm = 6G 7.9mm = 5/16"
5mm = 4G 8.7mm = 11/32"
6mm = 2G 9.5mm = 3/8"
8mm = 0G 11.1mm = 7/16"
10mm = 00G 12.7mm = 1/2"
12mm = 1/2" 14.2mm = 9/16"
14mm = 9/16" 15.8mm = 5/8"
16mm = 5/8" 17.4mm = 11/16"
18mm = 11/16" 19mm = 3/4"
20mm = 13/16" 20.6mm = 13/16"
22mm = 7/8" 22.2mm= 7/8"
See how and where to apply these measurements on our handy pictorial guide.