One end of the toothed portion to the other end

Centre of one pin hole to the centre of other pin hole

End to end of blade

End of one hole to the end of the other pin hole

The space is not enough to run the blade

The blade is costly

The new blade has sharp teeth

None of the above

Give best finishing

Protect the adjacent sides

Finish flat surfaces only

Cut metal very quickly

Cleaning the workpiece

Cleaning the file teeth

Renewing the file teeth

Cleaning the chips

Not required

Required to avoid friction between the blade and workpiece

Required for increasing the strength of the blade

Required for providing teeth on the blade