Prince EXO3 Hybrid 100 Tennis Racquet This racquet ships unstrung This racquet includes a cover Headsize 100 sq in Weight 10.0oz/285g unstrung Balance 12.6in/32.0cm,7PTS. Head Light Length 27.0" Cross Section 22mm String Pattern 16 x 20 String SynGut Multi Grip DuraPro+ With Exo3 technology at 3 & 9 o'clock, the new Exo3 Hybrid 100 is perfect for the competitive player looking for improved energy return with increased aerodynamics.