These are latches from the case of the BOSCH punch. These latches often break.
BOSCH - GBH 2-22 E, GBH 2-22 RE, GBH 2-22 S, GBH 2-23 E, GBH 2-23 RE, GBH 2-23 REA, GBH 2-24, GBH 2-24 D и GBH 2-24 DF, GBH 2-26 E, GBH 2-26 RE, GBH 2-26 DE, GBH 2-26 DFR, GBH 2-26 DRE, GBH 2-28, GBH 2-28 D, GBH 2-28 DV. GBH 2-28 DFV, GBH 2200, GBH 2400, GBH 2600

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