The Yonex PERCEPT 100D Tennis Racquet (Olive Green) was developed to seamlessly act as an extension of the arm, effectively transmitting accurate ball information, which results in greater control. Players can “Perceive, Control, Create” with PERCEPT by enhancing their ability to feel the ball, improving their control, and creating their own distinct game on the court. For experienced and advanced players looking for a racquet with extra precision, feel, and flex. SPECIFICATIONS: Unstrung Weight: 10.8 oz. Length – 27 in. Head Size – 100 sq. in. Balance – 6 Pts Head Light. Tension – 45-60 lbs. Beam Width – 23 mm. String Pattern - 18/19. Composition - 2G-NAMD SPEED/HM Graphite/SERVO FILTER.