Tool 11 has bubble level 12 mounted in one end of {TAIL ~ the tool} 11 and a thumb screw 8 mounted in {HEAD ~ the opposite end} 
Tool 11 has bubble level 12 mounted in one end of { TAIL ~ the tool } 11 and a thumb screw 8 mounted in { HEAD ~ the opposite end }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD