Shape rings and make consistant loops using the 3 barrels.

* Barrels measure: 5, 7, & 10mm (3/16 inch, 9/32 inch, & 3/8 inch)

* The lower jaw is covered with PVC tubing to prevent scratching or marring the wire

* Features stainless steel heads and cushion grips

* To harden wrapped loops, simply tap the wire with a nylon head hammer."