Brass Magnetic Clasps, Nickel Free, Platinum. Size: about 8mm wide, 14mm long, hole: 2mm; Jump Ring: 4x0.7mm. Brass Magnetic Clasps consists of two sides. When put them nearly, they can be absorbed together for their magnetic characteristic. You can add them to necklaces, bracelets and so on. And get this 50 Sets Brass Magnetic Clasps For $8.49 @PandaHall