Prince AirO Hybrid Maria TI Tennis Racquets This racquet ships pre-strung This racquet includes a cover Headsize 105 sq in Weight 9.9oz/280g unstrung Balance 12.7in/32.3cm Length 27.0" Cross Section 23mm String Pattern 16 x 19 Composition Graphalu A graphalu racquet with AirO Large grommet technology at 6 & 12 o'clock for greater aerodynamics along with a raised and increased sweet spot for added power. Pre-Strung Racquet