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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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LEGO Technic Mindstorm NXT Black Friction Pin Connector part 2780 (Quantity 300) by LEGO : Amazon.co.uk: Toys & Games
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Brick-Shop - Technic 4560174 axle pin blue (87082) Parts Electric Battery Box Train Power Functions Motor (8881) Engine Motor Lego (7897)
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BrickLink - Part 2780 : LEGO Technic, Pin with Short Friction Ridges [ Technic, Pin] - BrickLink Reference Catalog
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LEGO PART 32529 Technic Pin Connector Plate with One Hole (Single on Bottom) | Rebrickable - Build with LEGO
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