BioPlast Labret Retainer

Commonly Worn Sizes

These sizes are intended as a guide only - each piercing will vary depending on anatomy and specific placement. If you are unsure of what size will be appropriate for you, we recommend that you see us to be measured. Otherwise you can email us photos of your piercing and we will do our best to help from there!

Piercing	Jewellery Type	Gauge	Length/Diameter
Earlobe - stud	Labret	18ga	1/4" - 5/16"
Earlobe - ring	Ring	18ga	5/16" - 3/8" +
Helix - stud	Labret	16ga	1/4" - 5/16"
Helix - ring	Ring	16ga	5/16" - 3/8"
Tragus	Labret	18ga - 16ga	1/4" - 5/16"
Rook	Curved Barbell	16ga	5/16"
Conch - stud	Straight Barbell / Labret	16ga - 14ga	5/16"
Conch - ring	Ring	14ga +	1/2" +
Daith	Ring	18ga - 16ga	5/16" - 7/16"
Eyebrow	Curved Barbell	16ga	5/16"
Nostril - stud	Labret	18ga	1/4" - 9/32"
Nostril - ring	Ring	18ga	5/16"
Septum	Ring	16ga - 14ga	5/16" - 3/8"
Bridge	Straight Barbell	14ga - 12ga	1/2" - 5/8"
Lip	Labret	16ga	5/16"
Tongue	Straight Barbell	14ga	9/16"
Nipple	Straight Barbell	14ga	1/2" - 5/8"
Navel	Curved Barbell / Navel Curve	14ga	5/16" - 7/16"

 

Jewellery Size Conversion Chart

Most of the high quality jewellery that we carry is hand made in the US. As such, this jewellery is measured using the imperial system (ie. "gauge" and inches). Use this table to convert these measurements to millimetres.

Gauge	mm	Inches	mm
20ga	0.8mm	3/16"	4.5mm
18ga	1mm	7/32"	5.5mm
16ga	1.2mm	1/4"	6.5mm
14ga	1.6mm	9/32"	7.1mm
12ga	2mm	5/16"	7.9mm
10ga	2.6mm	11/32"	8.7mm
8ga	3.2mm	3/8"	9.5mm
6ga	4mm	7/16"	11.1mm
4ga	5mm	1/2"	12.5mm
2ga	6.5mm	9/16"	14mm
0ga	8.2mm	5/8"	16mm
00ga	9.5mm	11/16"	17.5mm
000ga	10.5mm	3/4"	19mm
0000ga	11.7mm	7/8"	22mm
		1"	25.5mm
		1-1/8"	28.5mm
		1-3/16"	30mm
		1-1/4"	32mm
		1-5/16"	33.5mm
		1-3/8"	35mm
		1-1/2"	38mm