Our 14k solid gold and implant grade titanium flatback piercing posts come in four different lengths - 4.5mm, 6mm, 8mm, 10mm - so you can choose the best fit for your piercing placement and aftercare journey. Choose between plain metal and gemstone Stackbac posts for lobe, helix, and cartilage piercings. Please note, our piercing posts feature bespoke internal threading, meaning they're exclusively compatible with A&M piercing jewellery. Not sure which size you need? Visit us in-store to chat to a piercer.