Features and Benefits:

• Twisted hex key 2.5mm
• No need to drill holes if the screw holes hasn't been enlarged or fully rounded, just use the tools directly
• Twist end with a short regular hex tip works on both damaged hex and regular hex
• Chrome-plated which provides ultimate anti-rust capacity

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