![LEGO Transparent Black Technic Pin with Friction Ridges and Slots (2780) | Brick Owl - LEGO Marketplace LEGO Transparent Black Technic Pin with Friction Ridges and Slots (2780) | Brick Owl - LEGO Marketplace](https://img.brickowl.com/files/image_cache/larger/lego-transparent-black-technic-pin-with-friction-ridges-and-slots-2780-28-33899-95.jpg)
LEGO Transparent Black Technic Pin with Friction Ridges and Slots (2780) | Brick Owl - LEGO Marketplace
![LEGO Part 75535 Technic, Pin Connector Round 2L without Slot - Pin Joiner Round [Dark Bluish Gray] (4214919) | iBricktoys: LEGO shop guide and database LEGO Part 75535 Technic, Pin Connector Round 2L without Slot - Pin Joiner Round [Dark Bluish Gray] (4214919) | iBricktoys: LEGO shop guide and database](http://www.ibricktoys.com/image/cache/data/parts/l/75535-85-500x500.jpg)
LEGO Part 75535 Technic, Pin Connector Round 2L without Slot - Pin Joiner Round [Dark Bluish Gray] (4214919) | iBricktoys: LEGO shop guide and database
![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?width=640&crop=smart&auto=webp&s=05f35dee7e2b5be4cee1f8810a43584d23d804ad)
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
![BrickLink - Part 2780 : LEGO Technic, Pin with Friction Ridges [Technic, Pin] - BrickLink Reference Catalog BrickLink - Part 2780 : LEGO Technic, Pin with Friction Ridges [Technic, Pin] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/PL/2780.png)
BrickLink - Part 2780 : LEGO Technic, Pin with Friction Ridges [Technic, Pin] - BrickLink Reference Catalog
![BrickLink - Part 6536 : LEGO Technic, Axle and Pin Connector Perpendicular [ Technic, Connector] - BrickLink Reference Catalog BrickLink - Part 6536 : LEGO Technic, Axle and Pin Connector Perpendicular [ Technic, Connector] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/PN/7/6536.png)