This is a 6-prong, long-claw type earring setting. Post length: approximately 10mm Post wire diameter: approximately 0.65mm Earring setting for 5mm round cut stones. Because it's a pressed setting, no advanced skills are needed for prong setting. Those who enjoy crafts should be able to set the stone easily. For 5mm round stones, those with less thickness or a smaller diameter are easier to set. Some stones may not be able to be set. If you would like multiple pairs, please contact us.