E-Force Command Power Flex 160 Racquetball Racquet - New! Weight: 160g Extreme Longstring Technology: All mains and crosses extend in free space from head through handle to the outside edges of the frame, for increased stringbed deflection and maximum power Zero Richter Tubes: Mainstrings are enclosed in 84" of vibration-dampening tubes hidden in the handle Bypass Stringing System: Mainstrings skip every two holes, so the ball does not strike two mainstrings at once; provides power and livelier ball response Launch Pad Technology: Eliminates unnecessary deflection-limiting cross-strings in racquet throat; increases stringbed deflection and maximizes power