This is a new 14K Gold Yellow Medium 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 - 14K Gold Solder Type - Plumb Gold Solder Recommended Use - Sizing/2nd Fab/tipping Melting Point - 1345 Flow Point - 1440 Approximate Weight - 1.5 grams