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LEGO 62462 4526983 Yellow Technic, Pin Connector Round 2L with Slot (Pin Joiner Round) | electricBricks : LEGO set and parts shop and database
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BrickLink - Part 3673 : LEGO Technic, Pin without Friction Ridges [Technic, Pin] - BrickLink Reference Catalog
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BrickLink - Part 2780 : LEGO Technic, Pin with Short Friction Ridges [ Technic, Pin] - BrickLink Reference Catalog
![Why does Lego produce both the black and grey technic pins that do the same function? (same question goes for the blue and tan) : r/lego Why does Lego produce both the black and grey technic pins that do the same function? (same question goes for the blue and tan) : r/lego](https://external-preview.redd.it/zs-0f2cQLHZvaJ1NryTCExFVPQieZBbQOtmOcwPXKzM.png?auto=webp&s=04373519cb09e76583c1d7282f2a2029634e5776)