Wilson Ultra 103s Tennis Racquet - Unstrung The Wilson Ultra 103S is a Spin Effect racquet designed for All-Courters who love the game and love to improve. Head Size: 103 sq. inches / 665 sq. cm Length: 27.25 inches / 69.22 cm Strung Weight: 10.9 oz. / 310 grams; Unstrung Weight: 10.2 oz. / 290 grams This racquet will be shipped unstrung