Two shot molding /double injection / over molding / multimaterial injection / bi-shot molding 1)yellow+black 2)mould cavity/core steel ASSAB 718H with heat treatment 3)mould cavity: 1+1 4)Mould quantity: 2 sets 5)mould base: LKM 6)mould lifetime: 300,000 shots This item is for a tool handle, we make 2 sets of moulds, one is for the inner hard handles and the other is for the outer decoration. In general, outer plastic is softer and is colourful for nice purpose.