10K White Gold Easy Sheet Solder, melts at 1230-1335F. This solder is meant for repairs on 10K White gold. The approximate size of the sheets are 1 5/8"x 1/2" x 30 gauge. The gold content of the solder is slightly lower (6K Gold) to help lower the melting point for easy flowing, but please keep in mind that they may not color match as well as plumb gold solder. This solder is Lead and Cadmium free, but does contain Nickel. California Proposition 65 warning: Nickel is known to the state of California to cause birth defects or other reproductive harm. For more information, please go to www.P65Warnings.ca.gov