The Black Knight Mercury TC incorporates the Thermal Core technology to strengthen & stabilise the frame, as well as the Extreme Modulus graphite for enhanced durability & lower vibration. The racket has a 73in 2 (472cm 2) head & comes strung with the Supernick XL Micro string which guarantees gut-like performance & excellent playability. This 125g (4.4oz) racket features a string pattern of 12 x 16 & is supplied with a full cover for protection.