Piercing Receiver Needle Receiving Tube Body Jewelry Made of Stainless Steel. Measurement: 0g (8 mm), 2g (6 mm), 4g (5 mm), 6g (4mm), 3 inches length. Are used to receive body piercing needles after a piercing. Preventing needle prick. We are a U.S. based seller and items are 100% New and Shipped by Body Jewelry Online from the United States. We Care And Will Reply Within 24-48 Hrs!