Which of the following statement is incorrect with reference of lathe cutting tools?

• The flank of the tool is the surface or surfaces below and adjacent to the cutting edges
• The nose is the corner, arc or chamfer joining the side cutting and the end cutting edges
• The heel is that part of the tool which is shaped to produce the cutting edges and face
• The base is that surface of the shank which bears against the support and takes tangent pressure of the cut