Gravity Casting, Filler Neck Parts with Precision Die Molds and Tooling, Made of Aluminum Alloy Model Number:DR-D053 Material: ... offer three types of molds die-castings, sand-castings and permanent mold-casting Software for drawing: pro/E, auto CAD, UG, CAD ... Weight: 0.010 to 100kg Gravity Casting,Filler Neck Parts with Precision Die Molds and Tooling, Made of Aluminum Alloy