Groz Letter Punch Set 10Mm | Punches & Chisels - Number & Letter Punches Speed Nuts 240 Precision Screwdriver Set 6pc

240 Precision Screwdriver Set 6pc

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Groz Letter Punch Set 10Mm | Punches & Chisels - Number & Letter Punches Speed Nuts 240 Precision Screwdriver Set 6pcFor Hand Held Hammer struck applications GROZ Letter and Number Stamps are manufactured from selected quality carbon steel. Punches are through induction hardened which gives durability and extended life for repeated use. The hardness at the stamping end is maintained at 58 62 HRC the striking end is tempered to 38 43 HRC. This prevents the punch from splintering during use. The striking end is chamfered to prevent breakage and accidents due to flying