Catalog: Parts: Technic, Pin: 6628a: Color Images
Technic, Pin with Friction Ridges and Tow Ball with Round Pin Hole
Light Bluish Gray
by normann1974
Black
by BricksThatStick
Red
by Turez

Part Color Codes:

 Color  Code  By 
 Light Bluish Gray  4258312  1  randyf 
 Black  4184169  2  randyf 
 Black  6344752  1  randyf 
 Red  6254216  2  randyf 
 Red  6360104  1  randyf