This 2 Piece Kit Includes Graphite Crucible & Crucible Tongs Flask Holder Jewelers Casting Tools New Graphite Crucible This is a new size 4/0 graphite crucible Will tolerate thermal shock This resistant crucible often called black lead, withstands heat up to 3,000°F (1,649°C) It measures approximately 3 1/8" (79 mm) tall and the diameter tapers from about 2 3/8" to 1 3/4" (60 x 44.5 mm) New Crucible Tongs This is a new pair of solid steel crucible tongs Great for lifting small and large flasks These measure approximately 15 3/4" (40 cm) long Newer versions of the item shown may be shipped, as a result, there may be a slight variation in color and design.