The first fixing arrangement includes, in particular, a first screw 61 and {HEAD ~ a first threaded grub screw} 62 that engage in {TAIL ~ respective threaded holes} 43, 44 of the main body 41 
engage in
The first fixing arrangement includes , in particular , a first screw 61 and { HEAD ~ a first threaded grub screw } 62 that engage in { TAIL ~ respective threaded holes } 43 , 44 of the main body 41
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH