A die for extrusion molding of a honeycomb 2, wherein the hard film is a CVD film comprising, as a component, one or more materials selected from {HEAD ~ a group} consisting of W, {TAIL ~ WC}, W2C, and W3C 
A die for extrusion molding of a honeycomb 2 , wherein the hard film is a CVD film comprising , as a component , one or more materials selected from { HEAD ~ a group } consisting of W , { TAIL ~ WC } , W2C , and W3C
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