Luxilon Big Banger Grey Strings?

I currently have Luxilon Big Banger strings on my racquet in a grey color. Unfortunately I don't know which specific variety of Big Banger (such as ALU16, etc.). Is there more than one variety of Luxilon Big Banger string that comes in "gun metal grey"? I'm looking to restring with the same. String has been on the racquet for over 12 months.
 

K!ck5w3rvE

Hall of Fame
Alu Power - Gunmetal Grey
Alu Power Rough - Gunmetal Grey with darker patches
Ace - Green
Timo 17 - Grey
Timo 18 - Light Grey
Supersense - Cream, but has a green tinge after a while.

I'd say your using Alu Power, and getting ripped off.
 
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