The PentaPower Twisted Black is ideal if you looking for tons of bite on the ball along with spin and control. This pentagonal profile co-polymer with polyolefin and benifitting from our Thermo Foil Cooling Process (TFCP) creates loads of bite on the ball giving you superb spin and control. The technology used by this product offers the player excellent tension control, super power and durability. This sensational strings brings to you a superior game performance.