HooAMI Stainless Steel Earrings Pin Cup Stud Findings DIY Supply Back Post Blank Earnut with Loop 20pcs Material:Stainless Steel Features:Never fade, Nondeformable, Anti-allergy Length:13mm( 4/8");Width:4mm;Needle thickness:0.8mm;Hole Size:1.5mm; Quantity:20pcs Color:Silver Tone