Fade to grey headphone cable is made with 8 wires of occ silver plated litz graphene core and is a medium thickness cable
 
Main body 5.5mm
Headphone ends 4mm
Each wire diameter- 1.2mm
Wire type-  Occ silver plated litz graphene core
Headphone type- Any full size double sided entry
Flexibility- 10/10 
Colour- Grey/ black
Connector colour- Any