4 in 1 Screw Extractor Drill Bits Tool Broken Bolt Remover(1#, 2#, 3#, 4#), with Plastic Case

1.Durable hardened steel construction
2.Quick & easy to use
3.Removes any stripped screw in 10 seconds or less
4.Even works on jagged , uneven, or rough breaks
5.Compatible with quick connect chuck systems
6. Size:1#,2#,3#,4#
7. Length: Approx 5.0cm/1.97"
8. Quantity: 4pcs/set