*Shape rings * Make consistent loops or jump rings using the 6 barrels * Barrels measure: Big Wrapper is 13, 16, & 20mm (1/2 inch, 5/8 inch, and 3/4 inch) Small Wrapper: * IMPORTANT: The lower jaw is covered with PVC tubing to prevent scratching or marring the wire Multi-Step Wire Wrapping, Looping pliers. Multi-size and Multi-use! Perfect for use with your Flat Wire.