6mm Antique Silver Rounded Magnetic Clasp for Flat Leather. A simple rectangular clasp with smooth, rounded edges. Features an extra-strong square magnet. Length: 17mm, Width: 8.8mm, Height: 5.2mm. Hole size: 6 x 2mm. Zinc plated with 99.9% sterling silver. Free of lead, nickel, cadmium. Hypoallergenic. These ends cannot be crimped. You will need to use a super glue to glue in the leather.