... interchangeable, 3,bears high temperature 4,the higher utilization of hot metal. With special alloy materials, advanced production technology and chilling process, ... thinner, organization more compact, hardness more higher, appearance more aesthetic, high-gloss, no deformation. SpecificationsmodelEight ballΦ20Φ30Φ40Φ50Six ball ... size of 70mm The mold for the size of 70mm With sand casting metal mold