covering (A)RV20102 (A)RV20104 RV20108
Rivet has different material, some softer, some harder. Even the Rivet gun noise piece has size up to 6.4mm (1/4"), harder material rivet would shorten lifespan of "claws" inside rivet gun.
below are the recommended rivet size/matieral&nbsp;
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<img src="https://cdn.livechat-static.com/api/file/kb/file/11857035/38290c35e0-7871df2b2602edb7956d.png" alt="undefined" style="float:none;height: undefined;width: undefined"/>

covering (A)RV20102 (A)RV20104 RV20108
Rivet has different material, some softer, some harder.  Even the Rivet gun noise piece has size up to 6.4mm (1/4"), harder material rivet would shorten lifespan of "claws" inside rivet gun.
below are the recommended rivet size/matieral 
 


 



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