DBZ-20 4-in-1 Socket Screw Extractor Set

Extractor bit set for damaged screws including but not confined to
hex socket and Phillips heads!
Works with 2~5mm (Across Flats) stripped hex socket of cap bolt, countersunk or button head
Used manually with 6.35 driver handle or with a power screwdriver
Sharp & fine-pitch spiral tip grips a hex socket without slippage.
Also useful as an extractor for other screw drives such as Phillips, Torx, etc. if an electric drill is used to make a pilot hole (The process described below.)
Bit size : 105mm x Hex. 6.35mm
Material : High carbon steel