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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
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Technical Parts Pins Connectors Building Blocks Compatible with Lego 6558 2780 32054 43093 6628 MOC Bricks DIY Educational Toy - AliExpress
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LEGO PART 65249 Technic Axle Pin 3L with No Friction Ridges and 2L Axle | Rebrickable - Build with LEGO
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