... 3. Hot runner 4. Automatic injection plastic over molding detail as follow:1,part name:Plastic Injection Mould2,Mould core:NAK80 perhardened steel ... ,Mould Cavity:multi.Specifications1.Mold Base:LKM, HASCO 2.Lifespan:1,000,000 shots 3.Hardness:HRC50-55 4.Runner:hot ... #, 50#, P20, H13, 718, NAK80, S136, SKD61, etc Mold Life 1,000,000 shots Mold Base LKM, HASCO, etc Mold Design ...