Apacs Z-Series is a medium stif flex. Its frame material is made of high modulus graphite with IPN and extra slim shaft. The shaft material uses High modulus graphite and triple speed system which makes it easy to hit the shorts. The racquet weighs between 80-84 grams. It has a G4 grip and has a Head heavy Balance Point. It has a isometric head. The Unstrung racquet is suitable for advanced level of players who like an offensive style of play.