Made of the highest grade carbon steel, accurately hardened and tempered preventing splintering and extending lifePowder coated shank protects against rustEdges accurately tempered to stay sharpExtra-thick hexagonal shanks minimize roll awayWorking ends accurately ground and hardened to HRC 52-58 for maximum serviceStriking end hardened to HRC-42 maximum – won’t chip or mushroomMeets Canadian Government Specifications CDA39GP-43aWarning: Always use punches and chisels on materials softer than the hardness of the punch itselfSpecifically designed for removing roll pins and spring pinsBall end keeps punch centered and allows maximum contact between pin and punch shoulder