Blue Spot 22315 1/4" Damaged Torx Fastener Removal 7 Piece Set (T10-T40) Features and Benefits: Manufactured from chrome vanadium with S2 steel bits for increased durability. Knurled finish for extra grip. The set comprises of 7 extractors, specially designed for the extraction of torx fasteners, where the head has become damaged. Simply insert the extractor into a pre-drilled hole within the torx fastener, and due to its deep reverse thread, it will remove the damaged torx fastener with ease. Contents: 1/4" drive torx extractors: T10, T15, T20 T25, T27, T30, T40.