G23 solid titanium pacifur with two replacement balls, implantation level, internal thread specifications: specifications 14g (1.6mm) barbell length 10 mm, 12 mm, 14 mm, 16 mm, 18 mm, 20 mm ball diameter of 5 mm can be used for used for it can be used for in the diameter of 5 mm. For tongue perforation, nipple perforation, etc. For tongue rings, No. 14 is*common size, 16 mm is the standard; 12 mm length is usually considered to be short tongue, 20 mm will be long. For nipple perforation, No. 14 is*common specification size, and the length of the stick is usually between 12mm and 20mm. Because the size of the pacifier is very different, it is necessary to measure to ensure the perfect length. It is an ideal gift for the beloved on Christmas, anniversary, Valentine's Day and birthday gifts.