The electric rotary tool 7, wherein {HEAD ~ the input end} of the drive shaft is provided with {TAIL ~ a slotted end} containing a plate projecting outwardly from the shaft 
is provided with
The electric rotary tool 7 , wherein { HEAD ~ the input end } of the drive shaft is provided with { TAIL ~ a slotted end } containing a plate projecting outwardly from the shaft
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH