Steps To Use: 1. Insert end of the pin into the labret bar (about 1/3 of the pin). 2. Slightly bend the end of the pin by hand. 3. Fully insert the pin into the labret bar. Please ensure the top is securely tightened after inserting the threadless top. If it is loose, please adjust it Package Includes: Threadless Push in Studs Set includes 4Pcs post with different length, and 8Pcs top with different style. Various styles of piercings stud can match your different outfits, making you more unique and charming Labret Monroe Studs Size: Gauge size: 16G (1.2 mm). Pin Length: 6 mm/8 mm/10 mm/12 mm. Top size: 2.3~4 mm. Comfortable size, suitable for most people. Labret monroe studs adopt a threadless push in design, easy to take on and off Premium Material: Made of 316L stainless steel, safe material, hypoallergenic and nickel free, friendly for sensitive skin. High polishing and excellent electroplating process make the surface smooth and shiny, long-lasting color retention and comfortable to wear Multiple Using: Threadless push in earrings can be use as labret studs, monroe studs, lip rings, cartilage earrings, helix earrings, tragus stud, conch earrings etc. Threadless push in studs of various styles can be matched with any clothes, making you look more cute and charming Jewelry Maintenance: 1. Wipe jewelry with soft cloth ; 2. Store it carefully in a box; 3. Avoid contact with chemicals, water, and extreme temperatures NICEIGHT