{HEAD ~ The spring} is mounted inside the recessed hole in the box end of the wrench and connected between the projecting rod of the toothed arch block and {TAIL ~ inside wall} of the recessed hole 
is connected between
{ HEAD ~ The spring } is mounted inside the recessed hole in the box end of the wrench and connected between the projecting rod of the toothed arch block and { TAIL ~ inside wall } of the recessed hole
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH