304 Stainless Steel Magnetic Clasps, Round, Stainless Steel Color. Size: about 8mm wide, 12mm long, hole: 2mm. Stainless Steel magnetic clasps consists of two sides. When put them nearly, they can be absorbed together for their magnetic characteristic. So buy this and Get 30% OFF 20 sets 304 Stainless Steel Magnetic Clasps For $9.03 @PandaHall