The box type end 10 includes a circular peripheral wall defining {HEAD ~ a chamber} therein for receiving {TAIL ~ a rachet wheel} 11 therein 
for receiving
The box type end 10 includes a circular peripheral wall defining { HEAD ~ a chamber } therein for receiving { TAIL ~ a rachet wheel } 11 therein
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH