Steel tubular constructed, this tong can be used for handling flasks during casting and melting operations. Tong is 25” overall length made of round 9/16” diameter steel tube, has 2 different diameters round holding jaws. The jaws of the tong are designed to hold and handle round Flasks or Crucibles of various diameters, from 2-1/2" up to 4". These tongs make retrieving hot flasks and crucibles in casting application