Introducing our Flat Back Insertion Tool, the must-have accessory for anyone who loves Threadless earrings. This tool is designed to help you easily insert and secure your earrings, making the process so quick and hassle-free. It is specifically designed for 18 gauge backs, but will also work with 16 and 20 gauge backs, making it a versatile addition to your jewelry collection. Whether you're a professional piercer or simply a fan of beautiful earrings, this Flat Back Insertion Tool is an essential tool for your jewelry box. Say goodbye to struggling with your earrings and hello to effortless and precise insertion with this handy tool.