Use with 20 mm leather, or 2 x 10, or 4 x 5mm - you get the idea. Glue this clasp on with the Super New Glue. Strong magnet and sleek styling. Not for use with pacemakers. The magnet will cause the pacemaker to go into battery test mod or other unexpected behaviours. Plated zinc. Certified lead and nickel free.
26mm x 28mm x 7mm Hole size is approx. 20 x 2.6. By the each.