This is ideal for removing damaged or rusty screws and bolts Six piece screw extractor bit set for removing damaged screws and bolts ,The most frequently used screw extractor bit is #2, so we've included two of these as it's inevitable someone will "borrow" this ! With this bumper 6 piece screw extraction set, you won't find a screw or bolt that can't be extracted. It's literally easy as 1-2-3 to remove damaged screws Engineered from hardened carbon steel means these will last a lifetime and are suitable for both home and professional use The screw extractors come in a plastic hard box with an instruction card for safe storage, Manufacturer: Vivo Technologies