16mm (5/8") – size-18mm-11-16, size-40mm-1-9-16, size-46mm-1-13-16, size-26mm-1-1-32, size-28mm-1-7-64, size-34mm-1-5-16, size-25mm-1, size-12mm-1-2
View our range of 16mm (5/8") plugs and tunnels in a variety of quality materials like Surgical Steel, Silicone and Glass!
