Head Ti Conquest Tennis Racquet-Strung This tennis racquet has Nano Titanium technology, which integrates Nano Material to strengthen the Titanium technology for a stronger more stable racquet providing you with more power. The head size of the racquet is super oversized, with a 23mm beam and a 18/19 string pattern. The racquet weighs 9.7 oz. strung and is standard in length 27". The balance of the racquet is 2/3" HL. The grip size is 4 3/8". This racquet comes with NO cover