notched shank to strike. to take out the screws, bolt, nut, broken stud!
The principle is to drill, then strike a notched rod to block the end that remains, and to put a tool
to turn the remaining end in the left or right direction! ideal for removing a broken stud in a cylinder head or on an engine.
- 5 special HSS drills: 3.2 - 4.8 - 6.4 - 8.0 - 8.7 mm
- 10 drill guide sleeves, guide for drilling in the middle
- 5 bolts to unscrew the rods
- 5 notched rods to hit.