The device comprises {TAIL ~ a de burring tool} 10, 25 having an impact surface with a profile which corresponds with the profile of the region of {HEAD ~ the workpiece} which requires de burring 
The device comprises { TAIL ~ a de burring tool } 10 , 25 having an impact surface with a profile which corresponds with the profile of the region of { HEAD ~ the workpiece } which requires de burring
OTH OTH OTH 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 OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH