Oval trigger style lobster clasp measures about 11x6mm overall. No open jump ring is supplied, but you can attach to the base of the clasp or add the ring of your choice. 14kt Gold filled, sold by the clasp.
10mm Lobster claw clasp is 14kt Gold Filled, supplied with heavy gauge open jump ring, as shown. This item also receives an extra Anti-tarnish treatment when it is manufactured.