?Risk-Free Purchase: Our team has always been committed to creating high-quality products and providing satisfactory service to customers. We offer a 90 day refund guarantee or redemption service. If you have any questions, please feel free to contact us. ?45 ° Angle: The piercing receiver tube adopts a 45 ° angle design at one end, making it easier to accept Piercing and perfectly fitting the human skin. ?Usage: Use a piercing receiver tube during puncture to safely receive the piercing needle. ?Size: 3mm, 4mm, 5mm, 6mm, multiple sizes make it easier for you to find a matching piercing needle. ?Material: 316L surgical stainless steel, hypoallergenic, free of lead and nickel, completely durable.