Round nose pliers are great, but sometimes it is difficult to grasp the wire in exactly the same spot when you need to make the same sized loop or curve.
Once you use the 6 step barrel pliers, they will be the most versatile tool in your workshop. Whenever you need to make consistent sized loops and curves, the 6 step barrel pliers should be your go-to tool.
Consistent sized loops are not only important in making wire wrapped loops and jump rings, but in many other jewelry designs as well.
Knowing the sizes of the steps can be helpful when using tutorials that refer to metric or standard measurements. The following are approximate measurements of each step of the barrel pliers: