BodyJ4You 8PCS Pack 18G-20G Nose Ring Bone Stud Crystals Surgical Steel Nostril Body Bar Piercing Jewelry MATERIAL: Surgical Stainless Steel Jewelry is Very Strong, Provides Lasting Color Retention and Extremely Easy to Clean. 8 Pieces of Press Fit CZ Top Nose Pin Stud Bone Straight Stud Style Come With A "Nub" On The End (Petite Round Ball) To Hold Your Stud Safe In Place and For Comfortable Fit. MEASUREMENTS: Pin Thickness Gauge Size: 18G (1mm); Top Crystals are Approx. 2. 5mm Half Ball Top in Diameter; Surgical Steel Bone Length is Approx. 1/4" (6mm). COLORS INCLUDED: Crystal Clear, Green, Blue, Light Blue, Aqua, Purple, Pink and Red Half Ball Crystal Top. All BodyJ4You Items Are New And Unused. Guaranteed Satisfaction As We Offer 90 Day Money Back Guarantee.