Material: 14kt gold with marking

Opal size is 5mm for the 12mm length and 6mm for the 16mm length

Barbell Length: 3/8" (10mm)

Don't install over a surface that you will lose the gem if it drops

Quantity: 6 pieces (1 piece of each color shown)

Light Purple Gem Value Pack Micro Hinged Ring Diameter:5/16" (8mm) Material: 14kt gold with markingLight purple gem value pack. What's included: One single line industrial, 3 pairs of earrings (one 3mm, one 4mm, and one 5mm), two of our 3mm round gem internally threaded cartilage rings, and one of our best selling micro hinged ring. Material: 316L steel Gauge: 14g industrial, 16g cartilage rings, and 16g micro hoop