Prince AirO Maria Lite OS Prestrung Tennis Racquets Headsize 110 sq in Weight 9.7oz/275g unstrung Balance 12.6in/32.0cm Length 27.0" Cross Section 24 mm String Pattern 16 x 19 Composition Fusionlite Alloy AirO Large grommet technology at 6 o'clock for a raised sweet spot and added power.