![LEGO part 6628a - Black Technic, Pin with Friction Ridges Lengthwise and Tow Ball with Round Pin Hole at BrickScout LEGO part 6628a - Black Technic, Pin with Friction Ridges Lengthwise and Tow Ball with Round Pin Hole at BrickScout](https://img.brickscout.com/6d/a9/cd/61/ed/4c/44/4e/a4/de/23/c0/79/20/6d/7b/750x750.png)
LEGO part 6628a - Black Technic, Pin with Friction Ridges Lengthwise and Tow Ball with Round Pin Hole at BrickScout
![LEGO 4459 Black Technic, Pin with Friction Ridges Lengthwise WITHOUT Center Slots | electricBricks : LEGO set and parts shop and database LEGO 4459 Black Technic, Pin with Friction Ridges Lengthwise WITHOUT Center Slots | electricBricks : LEGO set and parts shop and database](https://www.electricbricks.com/images/6628a_black.png)
LEGO 4459 Black Technic, Pin with Friction Ridges Lengthwise WITHOUT Center Slots | electricBricks : LEGO set and parts shop and database
![LEGO Black Technic, Pin with Friction Ridges Lengthwise and Tow Ball with Round Pin Hole 6628a 4184169, 6344752 LEGO Black Technic, Pin with Friction Ridges Lengthwise and Tow Ball with Round Pin Hole 6628a 4184169, 6344752](https://www.brickis.be/4499-large_default/black-technic-pin-with-friction-ridges-lengthwise-and-tow-ball-with-round-pin-hole.jpg)