100 PCS 1/2" 12mm Purse Zipper Pulis Spring Hook Snap Lanyard Zipper pull Nickle Material: Metal Color: Nickle Quantity: 100 Pcs Size: 1/2" 12mm Measures 1/2"(12mm)long. Diameter of large curve = 0.196"(5mm). Diameter of small curve = 0.157".(4mm) You can use: Lanyard Making or Zipper Pulls