The Biomimetic 500 is ideal for intermediate through to club players who require a powerful racquet. The 500 model has been a very popular introduction to the range with the 10.29oz weight making it extremely agile around the net for perfect volleys while the tapered beam and open 16x18 string pattern give access to plenty of power and spin. Headsize100 sq. in Length27 Beam Width232523.5mm Weight Strung292g10.3 oz ColorsBlackYellowWhite CompositionConstructionHM6 Carbon, Aerogel, Graphite String PatternMains X Crosses16x18 Recommended String Tension55 65 lbs. Balance34cm13.4 in Head Light StiffnessFlex68ra Frame TechnologyHM6 Carbon, Aeroskin Grip TypeGecko Tac Grip Black Swing TypeModerate No Cover