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