The main body is provided with an outer periphery and an upper surface having {TAIL ~ an imaginary line} onto which {HEAD ~ the saw blade} is pivoted down 
The main body is provided with an outer periphery and an upper surface having { TAIL ~ an imaginary line } onto which { HEAD ~ the saw blade } is pivoted down
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL REL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL