Features and benefits:

• 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