![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](http://i.imgur.com/HW4U5Vs.png)
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
![LEGO Technic - Dark Bluish Gray Pneumatic Switch with Pin Holes x1 Loose : Toys & Games - Amazon.com LEGO Technic - Dark Bluish Gray Pneumatic Switch with Pin Holes x1 Loose : Toys & Games - Amazon.com](https://m.media-amazon.com/images/I/71CHjcIH8dL._AC_UF894,1000_QL80_.jpg)
LEGO Technic - Dark Bluish Gray Pneumatic Switch with Pin Holes x1 Loose : Toys & Games - Amazon.com
![LEGO 62462 4526983 Yellow Technic, Pin Connector Round 2L with Slot (Pin Joiner Round) | electricBricks : LEGO set and parts shop and database LEGO 62462 4526983 Yellow Technic, Pin Connector Round 2L with Slot (Pin Joiner Round) | electricBricks : LEGO set and parts shop and database](https://www.electricbricks.com/images/62462_yellow.png)
LEGO 62462 4526983 Yellow Technic, Pin Connector Round 2L with Slot (Pin Joiner Round) | electricBricks : LEGO set and parts shop and database
![Amazon.com: LEGO Technic Mindstorm NXT Black Friction Pin Connector Part 2780 (Quantity 300) : Toys & Games Amazon.com: LEGO Technic Mindstorm NXT Black Friction Pin Connector Part 2780 (Quantity 300) : Toys & Games](https://m.media-amazon.com/images/I/41Q1MbWz7NL._AC_UF894,1000_QL80_.jpg)