SUS316L Surgical Stainless Steel 3mm Round Ball Stud Earrings with Loop and Backs Size: Earring Post: 14mm x 3mm Pin: 0.7mm Hole: 1mm Backs: 6mm x 4.5mm x 3mm Hole: 0.8mm Material: Earring Post: SUS316L Stainless Steel Backs: SUS304 Stainless Steel Quantity: Earring Posts: 10 pieces (5 pairs) Backs: 10 pieces (5 pairs) Inventory: 5 or more sets ⚠️Only silver loops open. ⚠️The backs may be difficult to attach at first, but they will become smoother after repeated attaching and detaching. SUS304 stainless steel and SUS316 stainless steel are used as surgical stainless steel in medical applications and are considered to be less likely to cause allergies. Instant purchase is welcome! Discounts are available for purchases of 2 or more sets, but those who purchase first will be given priority. Please understand. The more you buy, the better the deal! 2 sets → ¥50 off 3 sets → ¥150 off 4 sets → ¥300 off 5 sets → ¥400 off Discounts increase by ¥100 each thereafter☆ We will create a dedicated page, so please request a bulk purchase or leave a comment. We have other items for sale! Please search here☆ Please read the profile. Shipping information, etc., is written there. Handmade Basic Fittings Earrings Earrings Surgical Stainless Steel Allergy-friendly