Features: This graphite sphere mold and metal ball casting mold are built for efficient smelting mold procedures. The stone oil groove of the graphite casting mold offers maximized lubrication, reducing maintenance for your metal refining disk. Ideal for metal melting crucible or casting tools use in gold, silver, and copper production, allowing durability and precision. Features -Color:Black -Material:Graphite -Size:10.00X10.00X2.00 cm/3.93X3.93X0.79in (whole) -Size:2.60X2.60X1.00 cm/1.02X1.02X0.39in (max hole) -Outstanding temperatur resistance: the graphite melting dish excels in ultrahigh temperature environments, serving as a trusted crucible for gold, silver, or copper in professional smelting. -Pure graphite consistency: crafted from high grade graphite, the graphite metal mold allows minimal contamination, fulfilling needs for gold casting supply and silver melting crucible use -Speedy cooling advantage: multi-hole construction of this graphite coin mold allows rapid heat dissipation, perfect for ball forming molds and gold melting kit production lines -Minimized mold wear: graphite oil troughs within ball casting molds improve lubrication, reducing degradation and increasing service life for graphite ingot coin mold operations -Practical: each cavity in this smelting crucibles set offers distinct sizing, catering precisely to diverse jewelry melting pot, coin casting mold, and ingot casting tool requirements Package list: 1 x graphite mold