21/22 Series Bezel Birthstone,stud size 3mm and 4mm, 14 colors
23/24 Series Shapes.includes ball,star,heart and Button and etc.
25/26 Series New bezel stud size 2mm,3mm and 4mm ,14 colors.
25/26 Series New bezel,color ball nut ,size 3mm ,14 colors,
color barbell size 4mm,16 colors
21/23/25, Surgical Stainless Steel 316F;
22/24/26, 24K Gold Plate 316F