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