This 8-piece hex fastener extractor set removes badly damaged or rounded hex fasteners to keep things running as smoothly and safely as possible. The set contains 4 1/4in. sized socket bits for 3, 4, 5, 6mm extractors and 4 3/8in. sized socket bits for 7, 8, 9, and 10mm extractors to allow professionals to safely and efficiently remove extremely damaged hex fixings. Each socket is crafted from chrome vanadium and the bits from S2 steel to endure high-stress applications. The extractors are manufactured to ''bite'' into damaged hex fixings and guarantee successful removal. Features and Benefits The extractors are manufactured specifically to remove badly damaged hex fasteners by ''biting'' into the fixings The sockets are made from chrome vanadium and the bits from S2 steel to guarantee durability and strength in high-stress application The set comes supplied on a metal rail for easy storage and transport Contents The 8-piece set includes 4 1/4in. socket bits for sizes 3, 4, 5,