Black Magic leads the pack among co-polyester strings on the market today. Offering a superb balance of power and control, Black Magic is bound to raise your game to a new level. This string excels when it comes to feel. Most polyester strings today have one major flaw: they have no feel! Black Magic is the answer. Softer than most co-polys, this is a great string for players that are looking for a comfortable poly offering a serious punch. Tension maintenance is excellent. Players seeking extra durability should stick with the 16 gauge. ï Length: 660 ft/200m ï Gauge: 16/1.29mm ï Color: Black ï Construction: Monofilament Co-polymer ï Advantage: Excellent balance of power and control