Bluemoona 200 Pcs - Metal Spring Hooks 1" 25mm Purse Pulis Snap Clip For Lanyard Zipper Pull ID Card Key Chain Findings (Nickel) Length:1" 25mm, thick:0.08"(2mm) Diameter of large curve = 0.37 "(8mm). Diameter of small curve = 0.27 ".(5mm) Quantity:200 Pcs Color: Nickel Use For Purse, Lanyard, Zipper Pull, ID Card, Key Chain, KeyRings and so on