Add a dash of colour to your look with the help of this set of five 16 gauge studs, featuring a 4MM metallic ball set at the end of the straight barbell. The post is made of 316L surgical grade stainless steel and is externally threaded. This flat back stud is suitable for a range of piercings including labret, monroe and cartilage. Surgical grade steel is a great choice for most people with suitable for sensitive skin or allergies due to it's hypoallergenic properties.