| CPC B23D 47/04 (2013.01) [A61P 27/02 (2018.01); C07K 14/4717 (2013.01); A61K 38/00 (2013.01)] | 20 Claims |

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1. A bench pin kit for holding a metal to be sawed, comprising:
a bench pin;
a retainer for removably fastening to the bench pin;
a base for positioning within the retainer;
an interchangeable sub plate for positioning within the base to hold the metal to be sawed; and
a top plate fastened to the base for overlying and securing the interchangeable sub plate.
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