Heavy duty spring in base spins the arm so that molten metal in the crucible is forced into the flask. Takes flasks up to 5" long and 31/2" in diameter.
Includes:

• Casting machine
• Three stainless steel flasks ( 31/2" x 5", 31/2" x 2", 2" x 21/2")
• Sprue former
• Crucible
• Cradle
• Tongs
• Shipping weight is 20 lbs