Table of contents Preface 2 Forward 3 Equipment needed 4 Types of knife steel 7 Heat treating 11 The gas forging & heat treat furnace 20 Getting started 24 Cutting out the blade 31 Finish grinding of the blade 37 Tempering springs 38 Fitting the folding knife 39 Fitting the scales to the bolster 48 Finishing the outside of the knife 51 Fitting the blade 52 Finishing the blade 55 Final finishing of the knife 57 Buffing and polishing 59 Making a work blade 60 Satin finish 61 Shaping the handle 62