11-PC Damaged Hex Screw Extractor Set
1/4" shank 50mm hex extractors 1.5, 2, 2.5, 3, 4, 5, 6mm. 3 pcs 10mm x 38mm shank screw extractors: HE7, 8, 10. 1 pc 1/2" Dr x 10mm bit adapter 
No need to drill holes if the screw holes hasn't been enlarged or fully rounded, just use the tools directly
Made from high grade silicon alloy steel and heat-treated
All contents are chrome-plated which provides ultimate anti-rust capacity. Stored in a compact and robust case
The twist end design can extract the damaged hex screws which haven't been rounded fully. Users can use the tools directly without drilling holes on the screws