The term Trinity embodies the holy trinity: body, soul and spirit. The Trinity is and was also widespread in Hinduism or the ancient Egyptian empire. 
The Earbarbell is set with three Zirconia crystals. The attachment is fixed, the back ball can be unscrewed. The entire attachment has a size of 4.5 mm. 
 
Thickness: 1,2mm
Length: 6mm
Attachment size: 4mm