Labret back. 18 carat yellow gold 18 carat yellow gold labret back. £135.00 Out of stock. 0 in your basket View Basket Checkout 18 carat yellow gold labret back compatible with my style of push fit fronts. the stem is 1.2 mm and the back is normally 3 mm wide. this item is hand made. please indicate the lenght of the bar which can be form 6 mm to 10mm in lenght. if you are unsure, please consult with your piercer.