Includes .blend of the object, and PBR textures from Substance Painter, plus textures for Unity 5's Standard Shader.

--- Appending into a Scene ---

1 Open the .blend file of your scene

2 press Shift F1 or File -> Append

3 find this .blend and select it

4 go into Object

5 select Serrated Needle Boot Knife

6 press "Link/Append from Library"