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