Wilson BLX Lite Racquetball Racquet (3 5/8-Inch Grip, Super Small) Adding BLX construction to the original nLite gives added feel to every shot 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 Power Strings design maintains consistent string placement for lethal power on every shot Power Hole technology is a special string hole for 56-degree string movement to increase power and create a larger sweet spot