(EB 23) Black Ear Hoops - 23mm x 1 pair Black hinged ear hoops, 23mm (18mm) x 2.5mm £1.50 Out of stock. 0 in your basket View Basket Checkout One pair of black vacuum plated, stainless steel hinged ear hoops. These offer a smart, bold alternative for earring findings. Decorative piece threads straight onto the hoop. Size: 23mm outer diameter (18mm inner) x 2.5mm Micro Cutters (MC 2) are useful for cutting the holes in the polymer clay decorative pieces, prior to curing. The orange cutter gives a snug threading hole, or use the green for a looser fit.