Gunmetal Round Magnetic Clasp (2/pkg):

Clasp measures 8.2mm diameter x 14mm long (including soldered rings on each end).

Soldered rings are approx. 3.2mm diameter.

For the highest level of security with any magnetic clasp, we recommend a small safety chain connecting the two halves.

Caution: We do not recommend magnetic clasps for use near or around those using sensitive electronic devices such as heart pacemakers or insulin pumps.

Gunmetal Round Magnetic Clasp sell 2 sets per package.