Body Piercing Receiving Tube Stainless Steel 6mm Go to amazon.com Related posts Top 6 recommendation piercing clamps metal FeatureReceive a needle for freehand piercingHollow tubeMeasured by the total thickness of the tube Description6mm Receiving Tube. These tubes accept up to a 6g needle. One end has a 45 degree angle the other is a flat 90 degrees.