as per their hole and weight

as per their frame's shape and weight

as per their heel's shape and weight

as per their handle's length

less power is required in cutting a metal and its edge doesn't fasten in the job

metal can be cut easily

chipping can be done in a straight line

its edge will not break during chipping

high carbon steel

high speed steel

cast steel

tungsten steel

to reduce friction during cutting a metal

nothing

to give a beautiful shape to it

to help in cutting the jobs having more width and depth

between the inner ends of the two pin-holes

between the outer ends of the two pin-holes

between centres of the two pin-holes

between the inner end of pin-hole and the outer end of the other pin-hole