10pcs Damaged Bolt Nut Screw Remover Tool Kit Damaged Bolt Removal Set Damaged Bolt Nut Screw Removal Socket

Features:
Spiral cut t-eeth provides a positive grip to remove rounded or damaged bolts.
The damaged nut bolt extractor is made of hard alloy, they are of strong strength and long durability.
Can also be used on screw heads and studs.
Will fit heads sized 9, 10, 11, 12, 13, 14, 15, 16, 17 and 19mm.
Can be driven with a metric spanner or socket.