Make consistent loops using the 3 barrels, 13, 16, & 20mm (1/2 inch, 5/8 inch, and 3/4 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. Light hammering will be more effective if appropriate for your material.