Estigen ATA-27 2.0mm Punch Set
Estigen

Estigen ATA-27 2.0mm Punch Set

AP20

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Custom-size punches, 2.0 mm diameter: Advantages include more robust, harder to damage (e.g., during training); larger individual sample size. Potential Disadvantages include a tiny fraction of users have reported blocks broken by the larger punches; a larger but still small fraction of users have reported difficulty in removing cores from blocks when using the larger punches.