Wilson Ninja BLX Racquetball Racquet (3 5/8-Inch Grip, Super Small) Maximum power with superior control BLX Basalt technology has basalt fibers woven logitudinally with [K]arophite Black filtering unwanted extreme vibrations and delivering a clean feedback with better sensation and perfect feel Control base is an innovative hoop engineering for maximum torsional stability and precise control Power Strings design maintains consistent string placement for lethal power on every shot and Power Hole technology is a special string hole for 56-degree string movement to increase power and create a larger sweet spot AGT, or Articulated Grommet Technology, allows for 76-degree string movement and the biggest sweet spot ever