Lost-Wax casting part = Needle nose pliers

This is also known as precision casting.  The steps of producing lost-wax casting part,

1. Mould making
2. Pour molten wax into mold
3. Slurrying
            4. Burnout to remove wax
            5. Pour melted metal into sand mold
           6. Hammered away the sand
           7. Polishing(done)

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Material: JIS G4404 , JIS SKD-11, SAE D2 Turning parts with heat treatment HRC61, shaft grinding, surface polishing

pliers