Offering high electrical conductivity and formability, 110 copper is 99.9% pure. Also known as ETP copper, it's often used in electrical applications, such as for bus bars and wire connectors, as well as for flashing, gaskets, and rivets.

Includes one 4" × 4" × 0.032" thick piece of 110 copper in the following finishes: plain, brushed, and mirror-like.

One side of these sheets has a brushed finish with grain lines running in one direction to mask fingerprints.