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Samurai GSA Safe Punches utilize the ancient techniques developed by master Japanese sword makers to create the most effective set of safe punches available to today's GSA technician. In a process now referred to as differential hardening, master swordsmiths in 8th century Japan carefully crafted a revolutionary heat treating process involving clay compounds that yielded samurai blades with an extremely hard leading edge while retaining a tough and resilient side and back. A side effect of this process is the formation of a wavy pattern down the length of the blade referred to as the "hamon" (translated from Japanese as "blade pattern"). This visual effect is prized by modern sword collectors as it is evidence of a swords quality and the amount of work that went into it's creation. Today this differential hardening process is still considered extremely effective but is generally seen as too complex and cost prohibitive for everyday production. With Samurai GSA Safe Punches, however, the same processes are carefully applied to replicate the durability of hand crafted samurai swords.

The 16 piece set of Samurai GSA Safe Punches includes the following:
- Four Pin Punches (3")
- Two Wedge Punches (3")
- Four Hardplate Chisel Punches (3")
- Four Hardplate Center Punches (3")
- Quick-Release Punch Handle
- Punch Holder
- Heavy Duty Nylon Punch Roll-Up

All punches are 3/16" in diameter and snap into the quick release punch holder without any tools or threading required. The pin punches are constructed from an extremely tough steel alloy and given a spring temper that allows then to take an enormous amount of abuse without breaking. Samurai GSA pin punches are great for breaking away the center post left after diamond coring through the hardplate.

Samurai GSA chisel and center punches are constructed from a hard steel alloy infused with manganese, chromium and vanadium to stand up to the hardest barrier materials including carbide embedded hardplates. After machining, each punch is then carefully clayed and heat treated to produce the differential hardening that allows Samurai GSA punches to be extremely hard at the leading edge but tough and resilient down the rest of their length to resist breakage.



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