Head Black Widow 160 Racquetball Racquet (3-5/8) A Revolutionary Throat Design The next generation of HEAD's Corrugated Technology (CT2) incorporates corrugated rails on all sides of the racquet throat resulting in explosive power on every shot. Headsize: 106 square inches / 683 sq. cm Weight: 5.64 oz / 160 grams Balance (unstrung): 3 points head heavy / 28.5 cm Composition: Innegra / Corrugated Technology