51/52 Series ,Daisy ,stud size 6mm, 13 colors .
38/22/25/26 Series, Pearl ,stud size 1.5mm.2.5mm 3.5mm.3 mm ,4mm.
71 Series ,Titanium.Ball,Bezel Birthstone .size 3mm ball and 3mm bezel Birthstone ,14 colors.
81 Series ,Butterfly Birthstone,stud size 6mm,12 colors .
51/25/81 made of Surgical Stainless Steel 316F.
52/38/26 made of 24K Gold Plate 316F.
71 madde of medical grage Titanium 316F.