This is a new Hoover & Strong 15K Gold White Easy Solder. Great for general repair & sizing of rings. Hoover & Strong plumb gold solders comply with the Gold and Silver Stamping Act Amendments. Hoover & Strong Repair Solders are lower karat and easy flowing, because these karats are lower karat they may not color match karat gold as well as plumb solders. Metal - 15K Gold Solder Type - Repair Solder Recommended Use - General Repair/sizing Melting Point - 1305 Flow Point - 1365 Approximate Weight - 1 dwt