Shop All › Wizard School Studs (Multiple Styles) Wizard School Studs (Multiple Styles) $12.00 Size: ~ 0.5 inchPosts are stainless steel, nickel free and hypoallergenic. Size: ~ 0.5 inchPosts are stainless steel, nickel free and hypoallergenic. Style: HP Triangle Platform Book Stars Add To Cart Added! You Might Also Like Luna Earrings $25.00 Hallows Earrings (Multiple Colors) $18.00 Wizard School Crest Studs (Multiple Styles) $12.00 Wizard School Hat $18.00 Dark Wizard Mark Necklace $20.00