This is a new Hoover & Strong 12K Gold N-14 Yellow 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 - 12K Gold Solder Type - Repair Solder Recommended Use - Sizing/welding Melting Point - 1490 Flow Point - 1520 Approximate Weight - 1 dwt