Wilson Synthetic Gut Power String Colour:Black Monofilament super premium polyester which

Monofilament super premium polyester which offers power and good durability

Race Xcell Heel Technology:

Natural rubber for consistent feel and reduced shock

Lithium-polymer battery Battery indicator turns on when the battery power gets low and mode automatically changes to flashing to last for another 1 hour

Sporting a sleek black finish and weighing in at a sturdy 548g

Wilson Synthetic Gut Power String Colour:Black Monofilament super premium polyester whichSynthetic Gut Power utilizes a solid core nylon string for crisp feel and control. High energy wraps increase responsiveness for more power and improved feel on contact. No matter your playing style, this string is easy on the arm and can help you get to the next level. Classic synthetic gut construction features solid core Bi directional Nomex X Bands provide responsive energy return Lends itself to a variety of playing styles