Baer Hexagon Die Nut HSS - Metric Coarse - Left Hand - For General use - M42 x 4.5Baer Hexagon Die Nut HSS is a precision repair tool designed for general use on metric left hand threads. Its hexagonal body provides a secure grip and smooth control, making re threading operations efficient whether youre working by hand or with a wrench. Hexagon gripping body: Sixsided shape enables confident handling in tight spaces and when applying torque. Material: High speed steel (HSS) grade M42 for superior wear resistance and long service