Pandahall 200 Pairs 304 Stainless Steel Earring Hooks, 20.5x20x3mm, Hole: 2.5x2mm; Pin: 0.8mm Size: about 20mm wide, 20.5mm long, 3mm thick, hole: 2.5x2mm; pin: 0.8mm. Material:Stainless Steel Priced per 200 Pairs; Usage:Earring Hooks Great for Earring making Shipped by USPS, takes 7~15 days to receive it.