Baer Hexagon Die Nut HSS - Metric Coarse - Left Hand - For General use - M36 x 4.0Baer Hexagon Die Nut HSS is a precision external threading tool designed for general workshop use on metric coarse lefthand threads (M36 x 4. 0). Its hex shape provides secure grip and smooth maneuverability, whether youre turning by hand or with a wrench to chase and renew damaged threads. Material: High speed steel (HSS) for outstanding wear resistance and long service life in demanding environments. Thread Size: M36 x 4. 0, metric coarse, lefthand