The Glamourous Gold plated steel Screw tunnels are a 2 Piece Screw Tunnel with one rim that screws on and off., TDi Body Jewellery also stock Screw Tunnels in Surgical Steel, Black Steel (PVD), and also Acrylic styles. The sizes vary between the different materials, with the smallest being 2mm and the largest being 30mm.
Suitable for Autoclave.